题目内容

6. The patient the X-ray treatments up to the time he left.

A. had been taking
B. was taking
C. has taken
D. took

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7. Next month they in the countryfor 20 years.

A. are
B. have been
C. will be
D. will have been

8. By thetime Professor Smith retires he for forty years.

A. had taught
B. hastaught
C. willhavetaught
D. willteach

9. Bythetime yougetthere tomorrow,they forBeijing.

A. will haveleft
B. areleaving
C. willleave
D. aretoleave

10. We hoped that by the end of the yearwe the job.

A. hadfinished
B. finished
C. wouldhavefinished
D. willfinish