Question

Which of these sentences uses a question mark correctly?

Answer 1

Be careful and watch for boulders falling from the cliff?
I recall that the game's final score was 50 to 15?
I think the best thing to do would be to forget about him?
What time do we need to arrive at the school?

Answer 2

What one do you think it is.?

Answer 3

Well, which do you think? Which is a question?

Answer 4

d

Answer 5

Correct

Answer 6

that'd be correct. :)

Answer 7

Saying it out loud. D is the one that sounds like a question.

Answer 8

thx