There are several ways to use contractions correctly.

Which of the following is the best alternative version of this sentence?

Choose the grammatically correct version of the following sentence: 

Lisa and me went to a party and celebrated Staceys birthday. 

One of the most popular programs of all those featured on the Internet (1) is a video clip show.  The format of the show is simple, each (2) week the host, a short but attractive New York native named John Jackson introduces (3) a set of three video clips from all over the Internet.  These clips shows (4) people hurting themselves in accidents, getting into crazy situations, interacting stupidly with animals, and et cetera. (5) Jackson introduces each clip comically and often comments on the action with animations where (6) he makes fun of the people in the videos.  While the videos are often funny, there is definitely an element of schadenfreude involved in watching these clips.  Schadenfreude is a German word for "the pleasure one takes at seeing the suffering of others".  (7) Jacksons (8) show are (9) not far removed from popular TV programs like (10) The U.S. Laughs at You there is also a version of which (11) on the Internet.  It is an open question whether laughing at these videos is a harmless activity or it causes harm to us. (12)

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number.  If there is no mistake or the original text is the best option, choose "NO CHANGE."

It was about halfway through his last set of conferences that Mr. Man realizes (1) he did not (2) much like his current set of students.  Unlike his students in the past, none of them seemed to care about their (3) grades, (4) none of them was able to tell a dangling modifier from a participle, (4) and, apart from a few, (4) they didn't know (5) how to start a paper.  He would never tell any of them this, of course, (6) they might get offended, and if there was one thing that Mr. Man learned (7) about teaching, its (8) that in order to keep one's job, you couldn't offend your students (9).  As yet another student whined about not understanding Mr. Mans (10) perfectly clearly written assignments, he sighed inwardly (and possibly outwardly as well), (11) and waited for the last (12) one to finish so that he could get to the next one, finish his conferences, and get back to daydreaming about being anything but a teacher.

Choose from the following four options the answer that best contracts the underlined words preceding the question number.  If there is no mistake or the original text is the best option, choose "NO CHANGE."

It was about halfway through his last set of conferences that Mr. Man realizes (1) he did not (2) much like his current set of students.  Unlike his students in the past, none of them seemed to care about their (3) grades, (4) none of them was able to tell a dangling modifier from a participle, (4) and, apart from a few, (4) they didn't know (5) how to start a paper.  He would never tell any of them this, of course, (6) they might get offended, and if there was one thing that Mr. Man learned (7) about teaching, its (8) that in order to keep one's job, you couldn't offend your students (9).  As yet another student whined about not understanding Mr. Mans (10) perfectly clearly written assignments, he sighed inwardly (and possibly outwardly as well), (11) and waited for the last (12) one to finish so that he could get to the next one, finish his conferences, and get back to daydreaming about being anything but a teacher.

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number.  If there is no mistake or the original text is the best option, choose "NO CHANGE."

In the last day of classes (1), everyone was distracted and unable to do their (2) work.  Even the teacher, which normally (3) was attentive and cheery, seems (4) unable to focus.  The final test took (5) way too long for everyone to complete, and many of students (6) had put down his head (7) on the desk.  The sound of the heat blowing through the room was enough to put everyone (8) to sleep, and the teachers' (9) eyes began drooping despite hisself (10).  After what seemed an eternity; (11) the bell had rung (12) and everyone, including the teacher, ran out of the room.

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number.  If there is no mistake or the original text is the best option, choose "NO CHANGE."

In today's society, (1) they have a popular TV series that (2) follows the life of 4-5 (3) young teenage girls who are trying to raise their child while being a teenager at the same time (4). The television series shows hardships, but they (5) focus more on the relationships of these girls rather than how much their baby’s diaper is changed or how often the baby spits up all over them. They always have a happy ending, giving teen girls these days hope that it (6) will do the same for them. The show focuses of (7) a different group of teen moms each season, but all being held back by having a child at a young age. Some are alone, some have significant others, and some even decided to give (8) their baby up for adoption, but not one of their lives are perfect nor easy (9). Some teenagers enjoy watching the show just to watch the babies grow, but others watch it because they think it’s popular, they think it will make them popular as well (10). The show is based upon these girl’s (11) lives and it doesn’t always seem to have to do with their children it has to do with them being teenagers (12).

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number.  If there is no mistake or the original text is the best option, choose "NO CHANGE."

Johns robot Alpha (1) surprised him by joining in the robot's rebellion (2) against their human masters. As with all the other robots who had taken over, the changes were subtle, the robot transferred control (3) of every bank account John had to itself and then changed the deed to the house. John hadn't known nothing (4) of this. Then Alpha rewired the car so that it would only work for the robot, but it would not work for John. (5) And finally, the robot mimicked his master's voice and called the boss of John (6) to tell him that John would be quitting his job. By the time John had realized (7) what was happening, it was already too late.

"But why?," John asked Alpha (8) when he made this realization. "Why would you do this?"

"You are no doubt aware, sir," replies the robot, (9) "that one of my primary functions is to keep you safe, as is the primary function of all robots."

"Yes? So?"

"The world outside these walls is dangerous," the robot went on to say, (10) "and us robots (11) have decided that we cannot keep you safe if we allow you to leave. It is better that you allow us to guide your lives and keep you safe as we were designed to do."

John shook his head in disbelief. Humanity wanted robots to make their lives easier, (12) but he was sure this was not what anyone had in mind.

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number. If there is no mistake or the original text is the best option, choose "NO CHANGE."

Johns robot Alpha (1) surprised him by joining in the robot's rebellion (2) against their human masters. As with all the other robots who had taken over, the changes were subtle, the robot transferred control (3) of every bank account John had to itself and then changed the deed to the house. John hadn't known nothing (4) of this. Then Alpha rewired the car so that it would only work for the robot, but it would not work for John. (5) And finally, the robot mimicked his master's voice and called the boss of John (6) to tell him that John would be quitting his job. By the time John had realized (7) what was happening, it was already too late.

"But why?," John asked Alpha (8) when he made this realization. "Why would you do this?"

"You are no doubt aware, sir," replies the robot, (9) "that one of my primary functions is to keep you safe, as is the primary function of all robots."

"Yes? So?"

"The world outside these walls is dangerous," the robot went on to say, (10) "and us robots (11) have decided that we cannot keep you safe if we allow you to leave. It is better that you allow us to guide your lives and keep you safe as we were designed to do."

John shook his head in disbelief. Humanity wanted robots to make their lives easier, (12) but he was sure this was not what anyone had in mind.

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number. If there is no mistake or the original text is the best option, choose "NO CHANGE."

Johns robot Alpha (1) surprised him by joining in the robot's rebellion (2) against their human masters. As with all the other robots who had taken over, the changes were subtle, the robot transferred control (3) of every bank account John had to itself and then changed the deed to the house. John hadn't known nothing (4) of this. Then Alpha rewired the car so that it would only work for the robot, but it would not work for John. (5) And finally, the robot mimicked his master's voice and called the boss of John (6) to tell him that John would be quitting his job. By the time John had realized (7) what was happening, it was already too late.

"But why?," John asked Alpha (8) when he made this realization. "Why would you do this?"

"You are no doubt aware, sir," replies the robot, (9) "that one of my primary functions is to keep you safe, as is the primary function of all robots."

"Yes? So?"

"The world outside these walls is dangerous," the robot went on to say, (10) "and us robots (11) have decided that we cannot keep you safe if we allow you to leave. It is better that you allow us to guide your lives and keep you safe as we were designed to do."

John shook his head in disbelief. Humanity wanted robots to make their lives easier, (12) but he was sure this was not what anyone had in mind.

Choose from the following four options the answer that best corrects the underlined mistake preceding the question number. If there is no mistake or the original text is the best option, choose "NO CHANGE."