The key to solving this problem is the use of the word "although." "Although" is used like "however," "yet," and "but" to introduce an opposite or contrasting idea. So, most of these answer choices would be better served with the conjunction "and" which is used to continue an idea. The correct answer is therefore " . . . I could be wrong." The author is unsure of themselves and this is reflected in the words "think" and "although."

To solve this problem you simply need to recognize which of these conjunctions makes the most sense within the context of this sentence. The correct answer is " . . . due to terrible weather." "Due to" means because of. All the other conjunctions are either completely nonsensical in the structure of this sentence or else would only make sense if the journey was not cancelled. Additionally, "favorable" means advantageous, offering some benefit.

The use of the conjunction "despite" tells you that the day in question did not live up to the "hype" (excitement). The day must therefore have been devoid of action, boring and normal. The correct answer is therefore "uneventful." Something that is described as "uneventful" is something mundane that is not interesting. Additionally, "giddy" means light-headed and dizzy or excited; "optional" means not required, a choice; "insolent" means rude and obnoxious; "degraded" means treated with disrespect and made to feel worthless.

The sentence talks about how the world is changing and complex. This implies that people rarely "settle" on one political opinion. While this means that people may not be happy with their opinions, we really can't say much about happiness, given our clues. We must be as vague as the sentence itself is. Therefore, the best option is merely "certain." To be "certain" is to be sure and settled about something. This is as much as you can say for this sentence.

The sentence implies that the image in the window was not what it appeared to be.  For this reason, the best option is "illusion." When something is an "illusion," it appears to be one thing while being another. Often, we speak of "optical illusions." These are just a particular kind of illusion, namely one that we see with our eyes. (Indeed, in this sentence, the illusion is optical!)

The key thing to notice is the fact that the nation has changed "from" being a foe "to" its current status. Thus, you should pick an option that best expresses this contrast to being a foe. It is for this reason that "ally" is the best option. An "ally" is someone who has friendly relations with another group. Thus, to go from being a foe to being an ally means that someone goes from being an enemy to being a friend. This is the best option among those given.

This sentence is contrasting two things. The second item in the contrast is explicitly stated. It is the effect that showed itself after several days. In contrast to such a delayed effect, an "immediate" effect is one that shows itself right away.

This sentence implies that Daniel's accomplishments are not very extraordinary. They are just like everyone else's accomplishments. This means that they are not very impressive. Perhaps he has done some very good things. Still, they just don't "stand out."

This set of sentences is expressing the strange contrast between what we would expect from Robert when he finds out bad news and how he actually acts. It is surprising that he is not saddened by bad news. The implication is that his attitude is the opposite of sadness in these cases. That means that his attitude must be one of gladness or joy. Thus, it seems that the bad news would make him "rejoice"!

This sentence contrasts two things that are easy to do for other people. The implication of the logic of the sentence is that these are two different things. Thus, on the one hand it is said to be easy to annoy people. We are therefore looking for something opposite of annoying. Among the options provided, only one such word provides this kind of contrast, namely "please." The word "save" might seem like a positive contrast for "annoy."  While this is true, it is not a great contrast. The best option is "please," which is certainly a good opposite to "annoy."