Attention, please. All mobile phones must before the meeting starts. [
题型:专项题难度:来源:
Attention, please. All mobile phones must before the meeting starts. |
[ ] |
A. turn B. be turned off C. be turning |
答案
B |
举一反三
We to close the windows before we left the lab. |
[ ] |
A. tell B. told C. are told D. were told |
-People find it hard to get across the river. -I think at least two bridges over it. |
[ ] |
A. need B. are needing C. will need D. are needed |
Things should here before you enter the Great Museum. |
[ ] |
A. keeps B. keep C. be kept D. are kept |
The work in two hours. Let"s hurry. |
[ ] |
A. must be finished B. must finish C. will finish |
Old people _____ these days. They are living a happy life. |
[ ] |
A. are taken care of B. take good care of C. were looked after D. look after |
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