16. ______ population of China?
A. How many
B. How much
C. How’s
D. What’s
17. Please don’t stand up in class until you _______.
A. were told to
B. are told to
C. were told
D. are told
18. He’s worked there since the shop opened in 1998, ______?
A. isn’t he
B. hasn’t he
C. doesn’t he
D. wasn’t he
19. The old man can hardly see anything, _______ he?
A. doesn’t he
B. does
C. can’t
D. can
20. The teacher asked the new student _______ class he was in.
A. which
B. where
C. how
D. that
21. It will be a long time _______ he _______ back from Berlin.
A. when; will come
B. before; comes
C. after; is coming
D. since; comes
22.—Are you sure that you’ve met him before?
—______ I’m mistaken.
A. If
B. Since
C. Unless
D. More than
23. Does it matter _______ it rains tomorrow?
A. that
B. whether
C. if
D. as
24.—Do you remember _______ he came?
—Yes, I do. He came by car.
A. how
B. when
C. that
D. if
25. Be sure to write to us, _______?
A. will you
B. aren’t you
C. can you
D. mustn’t you
参考答案：
1～5 CDCAD
6～10 BCCBB
11～15 BBDDA
16～20DBBDA
21～25 BCCAA
