— Do you know where David is ? I couldn’t find him anywhere.
— Well. He ______ have gone far –his coat’s still here.
| A．shouldn’t | B．mustn’t | C．can’t | D．wouldn’t |
____ I had time, I would have played it again.
| A．If | B．Unless | C．Had | D．When |
____ she a man, she might be elected president.
| A．If | B．Unless | C．Was | D．Were |
____ usual, I have forgotten something.
| A．As | B．As it is | C．It’s | D．That is |
---- Will he fail in the exam?
---- ____.
| A．Don’t hope to | B．Let’s hope not |
| C．Not hope so | D．Let’s hope not to |
---- Do you think it will snow tomorrow?
---- ____.
| A．No, I don’t think | B．I don’t think |
| C．No, I don’t so | D．I don’t think so |