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Stay awake!You should know that it ________to sleep in class.
A.doesn’t permitB.is not permitted
C.will not be permittedD.was not permitted
B
考查时态及语态,保持清醒!你应该知道课上不允许睡觉。根据语境应用一般现在时态,且表示被动,所以选C。
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