Someone is ringing the doorbell. Go and see _______.
| A．Who is he | B．who he is | C．Who is it | D．who it is |
32.---What are you going to do this afternoon?
---I will probably go for a walk______it stays fine.
| A．unless | B．so long as | C．even if | D．as if |
31.The two ladies are _______ the same age, but there seems to be ten years _______ them.
| A．at; between | B．about; among | C．as; among | D．of; between |
30. _____in a science competition, the three students were awarded scholarships totaling
$ 21, 000.
| A．To be judged the best | B．Judged the best |
| C．Having judged the best | D．Judging the best |
29.---John, how did your English exam go?
---I thought I ____, but in fact I came in the top 10% in the class.
| A．should have failed | B．couldn’ t have failed |
| C．might have failed | D．mustn’ t have failed |
28. Although this movie is based on past events, it is not _________ accurate．
| A．currently | B．perfectly | C．historically | D．Extremely |