问题
选择题
| Stay awake!You should know that it ________to sleep in class. |
A. doesn't permit B. is not permitted C. will not be permitted D. was not permitted |
答案
答案：B
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| Stay awake!You should know that it ________to sleep in class. |
A. doesn't permit B. is not permitted C. will not be permitted D. was not permitted |
答案：B