You cannot put any sort of endmark (period, question mark, or exclamation point) here because it is not a complete sentence. Complete sentences must have a subject and a predicate. You can tell there's not even a verb here, so this is just a fragment, and we would have to use a comma.
a. Very truly yours,
Is is a present tense verb.
Past of is is was and future tense of is is will/shall.
Answer: What started the problem is that people were hiding books and firemen were burning them,their houses and and arresting the people. The problem is the war should start anytime and Beatty went after montag in the first place when he decided to help people keep the books.
Explanation:
D. Daisy did with Gatsby's car..................................