All possible means ___ been tried to stop the air______.
| A．has, polluted | B．have, polluting |
| C．have, being polluted | D．has, being polluted |
高二英语单项填空简单题
All possible means ___ been tried to stop the air______.
| A．has, polluted | B．have, polluting |
| C．have, being polluted | D．has, being polluted |
高二英语单项填空简单题查看答案及解析
All possible means _______to rescue the miners trapped underground so far.
A. have been tried B. has been tried C. is being tried D. is to be tried
高二英语单项填空简单题查看答案及解析
Every possible means ______ to prevent the air pollution, but the sky is still not clear.
A. has been used B. have been used C. is used D. are used
高二英语单项填空中等难度题查看答案及解析
We should try all means to ensure ourselves_____ all possible risks.
| A．that | B．against | C．for | D．to |
高二英语单项填空简单题查看答案及解析
Every possible means _______to prevent the air pollution, but the sky is still not clear．
A．are being used B．have been used
C．has been used D．had been used
高二英语单项填空中等难度题查看答案及解析
Every possible means _______to prevent the air pollution, but the sky is still not clear.
A. are being used B. have been used
C. has been used D. had been used
高二英语单项填空中等难度题查看答案及解析
Every possible means _______to prevent the air pollution, but the sky is still not clear.
A. are being used B. have been used C. has been used D. had been used
高二英语单项填空简单题查看答案及解析
Every possible means _______to prevent the air pollution, but the sky is still not clear.
A. are being used B. have been used C. has been used D. had been used
高二英语单项填空中等难度题查看答案及解析
The president and his team of administration promised to try every means possible to _________ jobs and _________ the goal of recovering its economy as soon as possible.
A.create, accomplish B.invent, achieve C.discover, win D.attract, finish
高二英语单项填空中等难度题查看答案及解析
I would have gone to visit him in the hotel had it been at all possible, but I ________ fully occupied.
A. were B. had been
C. have been D. was
高二英语单项填空中等难度题查看答案及解析