—Did you find the missing couple in the mountain yesterday?—No,but we _____ to g
题型:同步题难度: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
The secretary________letters all the afternoon and there are still two letters to finish. |
[ ] |
A. is typing B. had type C. has been typed D. has been typing |
—When is Jack going to finish writing that program? —I don"t know ______ day in and day out. |
[ ] |
A. He has been working B. He has worked C. He had been working D. He was working |
—Waiter, what about my food?I________for over 30 minutes. —Oh, sorry, sir.Just one more minute, please. |
[ ] |
A. have waited B. was waiting C. have been waiting D. had waited |
—I have got a headache. —No wonder. You ________ in front of that computer too long. |
[ ] |
A. work B. are working C. worked D. have been working |
By the time you arrive in London, we in Europe for two weeks. |
[ ] |
A. shall stay B. have stayed C. will have stayed D. have been staying |
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