The correct answer is A.
An Adverb Clause, also known as Adverbial Clause has the function of an adverb, and, in this case, it answers the question how, and talks about a possible situation and consequences: If you don't buy the tickets in advance, <em>you may not be able to get them</em>. The second sentence is a possible situation in the case of a delay to buy the tickets.
Answer:
unbiased
Explanation:
putting unbiased in the sentence would create a respectful response or opinion also stating that you do not have any favors to one side meaning it is a completely fair argument.
Answer:
slouch means to stand, move, or sit in a lazy, drooping way.
Explanation:
hope that helps