In the rainforest of the Amazon, 50 to 150 plant species ______ every day. [
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In the rainforest of the Amazon, 50 to 150 plant species ______ every day. |
[ ] |
A. are being destroyed B. are destroying C. have been destroyed D. destroyed |
答案
C |
举一反三
All flights ___ because of the storm, they had to wait in the hall. |
[ ] |
A. have put off B. were put off C. have been put off D. having been put off |
Millions of pounds" worth of damage _________ by a storm which swept across the north of England last night. |
[ ] |
A. had been caused B. has been caused C. will be caused D. will have been caused |
The manager ___ the workers how to improve the program since 9 a.m. |
[ ] |
A. has told B. is telling C. has been telling D. will have told |
All the preparations for the task ___,and we"re ready to start. |
[ ] |
A. completed B. complete C. had been completed D. have been completed |
I want to buy that kind of cloth because I _____ the cloth _____ well. |
[ ] |
A. have told; washes B. have been told; washes C. was told; washed D. have been told; is washed |
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