Over the past decades, sea ice _____ in the Arctic as a result of global warming
题型：0116 期末题难度：来源：
| Over the past decades, sea ice _____ in the Arctic as a result of global warming. |
A. had decreased
B. decreased
C. has been decreasing
D. is decreasing |
答案
举一反三
— I have got a pain in my back.
— No wonder. You _____ in front of the computer too long. |
A. have worked
B. are working
C. have been working
D. worked |
一 I"m sure Andrew will win the first prize in the final.
一 I think so. He _____ for it for months. |
A. is preparing
B. was preparing
C. has been preparing
D. had been preparing |
— Why do you want to work for our company?
— This is the job that I _____ for. |
[ ] |
A. looked
B. am to look
C. had looked
D. have been looking |
| We _____ on this project for four hours. Let"s have a rest. |
A. are working
B. have been working
C. worked
D. had worked |
一 We"ve spent too much money recently.
一 Well, it isn"t surprising. Our friends and relatives _____ around all the time. |
A. are coming
B. had come
C. were coming
D. have been coming |
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