I’ll go to the library as soon as I finish what I .
| A．was doing | B．am doing | C．have done | D．had been doing |
--- How is Dennis getting along with his work?
--- Well, he could always _______ a new idea for increasing sales.
| A．come up with | B．come about | C．come on | D．come over |
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 |