We were told not to touch the equipment in the laboratory unless .
A. allowed to do
B. allowing to do
C. allowed to
D. allowing to
We were told not to touch the equipment in the laboratory unless .A. allowed to do B. allo
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解决时间 2021-01-22 12:28
- 提问者网友：别再叽里呱啦
- 2021-01-22 08:03
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- 五星知识达人网友：人间朝暮
- 2021-01-22 08:26
A. allowed to do B. allowing to do(答案→)C. allowed toD. allowing to解析：考查省略，后面的句子省略了we were…touch the equipment in the laboratory，句子意思“我们被告诉不能碰实验室的设备除非我们被允许碰”，所以选C
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- 1楼网友：从此江山别
- 2021-01-22 09:16
好好学习下
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