-I worked for 8 hours ______ I finished it.
A. when B. before C. while D. after
25. Maths is not easy to learn, ______ we must work herder. A. but B. or C. so C. and
26. Ted tried his best, ______ he caught up with the others at last. A. but B. or C. and D. because
27. He can’t decide which to choose ______ there is no difference between them. A. but B. so C. because
28. Mr Huang decided to buy that CD player ______ it was expensive. A. even though B. so that C. because D. as if
30. A good friend always gives you a helping hand ______ you’re in trouble.A. when B. before C. until D. though
31. He didn’t know the news _______ his parents told him about it. A. when B. after C. as soon as D. until
32. ______ he said he wasn’t hungry at all, he ate a big breakfast. A. Unless B. Because C. If D. Though
33. –You watched the fashion show last week, didn’t you? - Yes, ______ I missed the beginning.
A. or B. so C. and D. but
34.I will wait ______ he come back, because I have something to tell him. A. until B. before C. when
35. Take more exercise, _______ you’ll be healthier. A. and B. or C. but
36. Woke hard, _______ you will fall behind.
A. or B. and C. so D. so but
37. There was ______ smoke that they couldn’t see anything clearly. A. too B. too many C. so much D. so many
38. The two friends were ______ pleased to see each other that forgot everything. A. so B. too C. very D. much
39. He had ______ much work to do that he couldn’t go out. A. so B. much C. as D. or
40. Tom has been in the factory ______ he left school.
A. when B. since C. as soon as D. whether
41. The nurse doesn’t feel well today, ______ she still works very hard. A. but B. and C. or D. when
42. ______ my mother ______ my sister watches TV plays these days. A. Either, not B. Both, and C. Neither, or D .Neither, nor43. Lucy knew nothing about it ______ her sister told her. A. because B. until C. if D. since
44. I left my umbrella in my room. Could you wait ______ I go back to get it? A. when B. if C. while D. before 45. Study hard, ______ you will fall behind the other. A. and B. but C. or D. though
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