—Did you meet the professor at the airport?
—No，he ____ by the time I ____ there．
| A．had left；got | B．has left；reached |
| C．was leaving；got | D．left；had got |
Lily’s apartment is on the fifteenth ______ of the building and it has a good view.
A. room B. part C. floor
Where is your father?
He ______ Xiamen on business.
A. will go to B. goes to C. has gone to
The question is so difficult that ______ students can answer it.
A. few B. many C. most
Mr. Wang enjoys ______ stamps.
So he does.
A. collects B. collect C. collecting
Peter, can you come downstairs and do me a favor?
Yes, mum. I ______.
A. came B. come C. am coming