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
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。