Is this the reason _______ he was late for the meeting?
| A．why | B．when | C．where | D．what |
When he came to the door, my father ___ him at once although he was now a very old man.
| A．knew | B．looked at | C．recognized | D．found |
–Do you mind my smoking here?
--______.
| A．Yes, you'd better not | B．No, certainly not | C．That's all right | D．both A and B |
This problem is not worth____ again.
| A．to be discussed | B．discussing | C．being discussed | D．to discuss |
Excuse me, but could you tell me ? I’d like to drop him a line.
| A．where is his address | B．where his address is | C．what his address is | D．what is his address |
Jack ishonest man and we all find it pleasure working with him.
| A．a; / | B．an; / | C．a; a | D．an; a |