May we leave the classroom now?No,you___.You_____to leave until the bell rings.A.mustn't;are a...
问题描述：
May we leave the classroom now?No,you___.You_____to leave until the bell rings.A.mustn't;are a...
May we leave the classroom now?
No,you___.You_____to leave until the bell rings.
A.mustn't;are allowed
B.don't have to;are supposed
C.needn't;are allowed
D.can't;aren't supposed
为什么不选A
答
mustn't 表示禁止做；can't表示不能做
not...until 直到...才
be supposed to do 应该做某事
用D,在这个语境下表达更贴切点,选A的话,语气太严格了,在教室里没到禁止的地步.