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1. By the end of this year ,I ____enough money for a holiday.

A will save B will be saving C will have saved D have saved

2. I have been studying here for four years,by next summer ___.

A shall graduate B shall be graduated C shall be graduating D shall have graduated

3. I hope her health _______greatly by the time we come back next year.

A improves B improved C will be improved D will have improve

4. “Are yougoing to Richard”s birthday party?‘ “Yes.By then I ______my homework..”

A had finished B will have finished C would have finished D finished

5. I suppose by the time I come back in ten years’ time all these old house______down.

A will have been pulled B will be pulling C will have pulled D will be pulled

6. I hope that they ____the road by the time we come back.

A will have repaired B would have repaired C have repaired D had repaired

7.By the time you arrive in London, we _______ in Europe for two weeks.

A shall stay B will have stayed

C have stayed D have been staying

8. By the year 2010,scientists probably________ a cure for cancer.

A . will be discovering B. are discovering C. will have discovered D. have discovered

9. Before long, he _______all about the matter.

A. will have forgotten B. forget C. have forgotten D. forgot

10. I am sure he _______ the difficulties before you arrive there.

A will have settled B settled C had settled D settle

答案：

1.选C,by the end of this year, 是明确表示将来的时间状语,主句表示在这个将来时间以前完成的动作,故应用将来完成时.

2.选D.by next summer是明确表示将来的时间状语, 主句表示在这个将来时间以前完成的动作,故应用将来完成时.

3.选D,by the time 引出的是时间状语分句,分句中用的come用一般现在时,表示将来概念,相当于一个表示将来的时间状语,主句谓语动词表示在将来某一时刻以前必定完成的行为,应该用将来完成时.不能选A,句子中带有表示将来时间的状语分句,故应该用与将来时相关的时态.也不能选C ,improve 在该句中作”好转”,”变得更好”解,为不及物动词,所以用被动语态时错误的.

4.B

5.A

6.A

7.B

8.C： By the year 2010 是明确表示将来的时间状语,主句表示在这个时间以前完成的动作,故用将来完成时.

9.A

10.A ：before you arrive there. 是明确表示将来的时间状语,主句表示在这个时间以前完成的动作,故用将来完成时.