— Did you find the missing couple in the mountain yesterday? — No, but we ____ t
题型:黑龙江省模拟题难度:来源:
— 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 |
答案
B |
举一反三
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 |
— Hi! John, would you like to play football with us? — Oh, I can"t. I _____ my lesson all the morning and still need half an hour. |
A. am reviewing B. have been reviewing C. have reviewed D. reviewed |
We ____ hard together to achieve our common goal these years-to build a cleaner, safer and healthier world. |
A. have been working B. are working C. work D. have worked |
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