You"d better have a rest. You _____ for more than two hours without a break.A. h
题型：专项题难度：来源：
| You"d better have a rest. You _____ for more than two hours without a break. |
A. have worked
B. have working
C. have been working
D. have been worked |
答案
举一反三
— Hi, Tracy, you look tired.
— I am tired. I ____ the living room all day. |
| [ ] |
A. painted
B. had painted
C. have been painting
D. have painted |
| I wonder if John has forgotten my number. I _____ him to call me for the past two hours. |
A. was expecting
B. had expected
C. have been expecting
D. expected |
| Maybe Jack has forgotten our appointment completely. I ____ him to call for the past two hours. |
A. have been expecting
B. have expected
C. have been expected
D. expected |
| 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 |
| Tom _____ in the library every night over the last three months. |
A. works
B. worked
C. has been working
D. had been working |
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