37. We won’t give up _____ we should fail ten times.

　 A. even if　 　　　　　　 B. since　　 　　　　　 C. whether　 　　　　　　　　　　 D. until

36. I hurried _____ I wouldn’t be late for class.

　 A. because　 　　　　　　 B. so that　 　　　　 C. as if　 　　　　　　　　　　 D. unless

35. The question was _____ to take the children to the zoo or to leave them at home.

　 A. how　　 　　　　　　　　　　 B. however　　 　　 C. if　　 　　　　　　　　　　　 D. whether

34. They looked at the national flag, _____.

　 A. tears appeared in their eyes　　　 　　 B. tears appearing in their eyes

　 C. and tears appearing in their eyes　 　　 D. when tears appearing in their eyes

33. He remained in this company, not _____ he liked the company, but that he liked the teammates he had.

　 A. for　　 　　　　　　　　 B. since　　 　　　　　 C. as　　 　　　　　　　　　　 D. that

32. We are aware that, _____, the situation will get worse.

　 A. if not dealing with carefully　　 　　　　 B. if dealt not carefully with

　 C. if not carefully dealt with　　　 　　　　 D. if not carefully dealing with

31. Neither of them allowed the donors of the portrait to see _____ they both disliked it.

　 A. how　　 　　　　　　　　　　 B. how much　　 　 C. how often　 　　　　　 D. how soon

30. Emily had failed many times; _____, she was confident she would succeed in the end.

　 A. nevertheless　　 　 B. although　　 　　 C. therefore　　 　　　　　 D. otherwise

29.he took a wrong bus , ______he was a full hour late on the first day he went to work .

A. On condition that B. which　 　　　　　 C. so that　　 　　　　　　　 D. on the ground that

28. _____ is mentioned above, there are more and more trade between China and America.

　 A. Which　 　　　　　　 B. As　 　　　　　　　 C. That　 　　　　　　　　　 D. What