— Here is Paul! We _____ anxiously for him since last night. — Maybe something h
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— Here is Paul! We _____ anxiously for him since last night.
— Maybe something happened to him. |
A. waited
B. were waiting
C. had waited
D. have been waiting |
答案
举一反三
| How tired you look! You _____ these weeks. I think you need a holiday before you burn out. |
A. had overworked
B. overworked
C. have been overworking
D. were overworked |
— Did you find the missing couple in the mountain yesterday?
— No, but we ____ to get in touch with them ever since. |
| [ ] |
A. have tried
B. have been trying
C. had tried
D. had been trying |
| I"m sure you will do better in the test because you ____ so hard this year. |
| [ ] |
A. studied
B. had studied
C. will study
D. have been studying |
| Lisa, now stop for a short break. You should know that you _____ all the morning. |
| [ ] |
A. are working
B. had been working
C. have been working
D. have worked |
— Where is mother?
— She is in the kitchen. She _____ the dinner for the party the whole afternoon. |
A. is preparing
B. was preparing
C. has preparing
D. has been preparing |
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