17.　　 17.　　 ______ knows the name of this song will receive a prize from the radio station.

a. Whoever　　 b. Those　　 c. Whichever people　　 d. Any people

16.　　 16.　　 The police finally caught up with the man ______ was the escaped prisoner.

a. who they thought　　 b. whom they thought

　 c. they thought him 　　d. that they thought him

15.　　 15.　　 _____ he was putting on his uniform, the officer found that one of the sleeves was torn.

a. Since　　 b. Unless　　 c. As　　 d. Before

14.　　 14.　　 Sound is conducted through steel in the same manner ______.

a. as in air　　 b. as through air　　 c. as air does　　 d. like air

13.　　 13.　　 We sent the horses to a considerable distance, ______ they should disturb the children.

a. less　　 b. lest　　 c. last　　 d. least

12.　　 12.　　 The highest temperature ______ in any furnace on earth is about 10,000 centigrade.

a. we can get　　 b. that we can get it　　 c. which we can get it　　 d. what we can get

11.　　 11.　　 Geometry, ______ I know nothing, seems a very dull subject.

a. that　　 b. about that　　 c. which　　 d. about which

10.　　 10.　　 It is hard to avoid mistakes. ______ you correct them conscientiously, it will be all right.

a. In the case　　 b. As long as　　 c. Although　　 d. Despite

9.　 9.　 No sooner had he finished his speech ______ stormy applause broke out.

a. when　　 b. then　　 c. than　　 d. as

8.　 8.　 I don’t know why she’s looking at me ______ she knew me. I’ve never seen her before in my life.

a. as　　 b. although　　 c. even if　　 d. as if