The correct answer is "than other artists."  As the sentence reads, it is saying that Anna thinks her friend's art is more creative than other artists, which is an incorrect comparison; she should be comparing her friend's art to the art of other artists, not to the artists themselves.

A correct phrasing would be "At the student art showcase, Anna enjoyed seeing her friend Zoe's abstract paintings, which she thought were more creative than the works of the other artists."

The verb phrase "will attend" should be changed to "attending" because it is part of a list of "-ing" verbs, all of which need to be in the same form in order for the sentence to use proper parallel structure. Since "running," "shopping," and "cooking" are already conjugated in the same way, "will attend" should be conjugated in this way too, and therefore should be changed to "attending."

This sentence lacks parallel structure between the elements in the list. Items in a list should be formatted in the same way grammatically. The corrected sentence reads, "The woman slowly became fascinated by the aliens’ strange culture, their intelligence, and their hilarious jokes."

Only like things can be compared. "My apartment" can be compared to "that of my boss" or my "boss'."

It is important for a sentence to use correct parallelism, which means that listed items should take on the same grammatical form. Here, the first two listed items are nouns ("amazing food" and "high quality wine"). Therefore, the third item should also be a noun; however, “attracts” is a verb, and therefore is incorrect. To fix the sentence, one might omit the word "attracts," leaving simply "amazing food, high quality wine, and a wealthy clientele," three nouns.

This sentence has a problem with parallelism. Since the first part contains a verb, the second part must as well. The corrected sentence reads: I had expected to learn many essential survival skills at the workshop, but instead I only learned how to open a can without a can opener.

The series placed in the underlined portion of the sentence suffers from the problem of not having a parallel structure. All components in such a list need to take the same format. Therefore, "with adding, spelling, and reading" is the correct answer.

The above sentence is a compound sentence, and therefore, there needs to be a semicolon between "happy" and "she" to properly denote the beginning of the second independent clause. 

The above sentence is a compound sentence, and therefore we need to include a semicolon between "night" and "they" in order to properly separate the two independent clauses.

The above sentence is a compound sentence, and therefore needs a comma in between "Daniel" and "and" to properly separate the two independent clauses of the sentence.