This sentence misuses the word "effect," which is a noun. The verb is spelled "affect," which is how the word is being used in this sentence. The choice "The leaders of the company were nervous because they were unsure of how the newest report would affect the stocks" is a little vague, however, as "stocks" in this case may not refer to the company's stocks specifically, but the market in general or maybe the stocks of a supplier or otherwise. The best choice is, "The leaders of the company were nervous because they were unsure of how the newest report would affect the company's stocks" since it is the most clear.

The word "good" is used incorrectly, since "good" is an adjective. It is being used in this sentence, however, to modify the verb "did;" therefore, we need an adverb. The correct word is "well." The correct choice is, "They all thought that she did her job well" as it is the clearest and most concise option.

This sentence misuses the word "peek," which means "to glance at." The meaning in this sentence is to excite, which is the meaning of the word "pique." The correct choice is, "The marketers intended to pique everyone's interest with their new viral ad campaign" since all other punctuation and usage are correct.

The word "stationery" refers to office supplies. Do not confuse this with "stationary," which means "something that is still." The meaning in this sentence refers to the latter meaning, so the correct choice is, "even though it was stationary."

The above sentence misused the word "mute." It is clear that whatever word should go there means something along the lines of "pointless," due to the presence of words like "despite" which indicate that something (the debates) is no longer happening. The correct word here is "moot," which means pointless or impractical. The other choices are antonyms of "moot." The correct choice is: "her pleas, the council thought that it was moot to continue debating the proposed changes."

This sentence misuses the word "you're." This word is a contraction for "you are," when the possessive form is meant here. The correct word is "your." No additional punctuation or changes is needed, so the correct choice is, "to turn in your homework every day."

This sentence misuses the word "there." The possessive form is meant in this sentence, which is "their." The correct answer is, "Their house was huge, compared to the other houses in the neighborhood." No other punctuation or changes is necessary (The comma should appear after "huge" since it separates the dependent clause from the main sentence).

This sentence misuses the word "they're," which is a contraction for "they are." The word is clearly meant to be possessive, which would be "their." The correct answer is, "The projects earned them their peer's respect." Everything else in the sentence is correct. 

"Conversate" is not an actual word. The proper word is "converse." While the phrases "desired to have a conversation" and "was wanting to converse" are grammatically correct, these choices are less concise than the option "wished to converse." The correct choice is, "wished to converse."

This sentence misuses the word "affect." The word "affect" is a verb, meaning to cause something to happen. What is meant in this sentence, however, is the noun a result of an action, which is spelled "effect." No additional punctuation is necessary. The correct choice is, "The effect of the company's recent downsizing."