11. Mr. Smith didn’t know ______.
A. where his wife was B. where was his wife
C. where went his wife D. where his wife go
12. As ______ matter of fact, there was ______ exploration in ______ last house I visited.
A. a, an, the B. the, an, a
C. a, the, the D. the, an, the
13. The Yangtze River is not ______ than the Yellow River.
A. much longer B. more longer
C. longest D. less longer
14. Physics ______ a useful subject.
A. is B. are
C. was D. were
15. The manager ______ him with responsibility for running the shop.
A. made B. left
C. told D. let
16. When the man ______ to now and again, he repeatedly called for his son.
A. woke B. recovered
C. went D. came
17. It’s no use ______ to him again. He won’t agree.
A. talking B. to talk
C. talk D. to have talked
18. ______ to remind him, the church clock struck seven.
A. As if B. Even though
C. Only if D. So that
19. He stayed in the countryside for quite ______.
A. some time B. sometime
C. sometimes D. some times
20. They have arranged ______ the writer to meet a number of his readers.
A. at B. in
C. to D. for
