50. Only when you have had a good knowledge of grammar, _____ write correctly.

　　 　　 A. can you　　　　　 B. can’t you 　 　　C. you can　　　　 D. you will

倒装句答案：

1-5 BDACA　　 6-10 ACABB　 11-15 BBDCC　 　 16-20 CCBAD

21-25 DDBDD　 26-30 AAADC　　 31-35 BDBAC　 　　 36-40 ADADB

41-45 ACADB　　　　　　 46-50 CBADA

49. At no time, neither today nor in the future, _____ a powerful country.

　　 　　 A. will China never be 　 B. China will be C. China should be　 D. will China be

48. Against the wall on the opposite side _____.

　　 　　 A. stand two cupboards　　　　　　　 　　 B. there two cupboards stand

　　 　　 C. two cupboards stand there　　　　　　 D. there stand two cupboards

47. By no means _____ look down upon the poor.

　　 　　 A. we should 　　　 B. should we　 C. ought we　　 　　　 D. we shall

46. Only until his father was out of prison, _____ to school.

　　 　　 A. can Charles go　 B. Charles can go 　C. could Charles go 　D. Charles could go

45. No sooner had the robber entered the bank _____ he was caught.

　　 　　 A. then　　 　 B. than　 　　　 C. so　　　 　 D. therefore

44. I don’t think John will come, _____.

　　 　　 A. or Mary does　　 B. Mary does either C. and Mary does　 D. nor will Mary

43. Neither could theory do without practice, _____ without theory.

　　 　　 A. nor could practice do　　　 B. nor practice could do

　　 　　 C. or could practice do　　　　 D. practice could nor do

42. Only in that way _____ English well.

　　 　　 A. we can learn　　 B. we will learn　 　　　 C. can we learn　 D. can learn we

41. Not only _____ the data fed into it, but it can also analyze them.

　　 　　 A. can the computer memorize　 　　　 B. the computer can memorize

　　 　　 C. do the computer memorize　　 　　 D. can memorize the computer