must we clean the room right now?No,you ______.You ______clean it after lunchA.mustn't;can B.needn't;must c.practise D.be practiced
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must we clean the room right now?
No,you ______.You ______clean it after lunch
A.mustn't;can B.needn't;must c.practise D.be practiced
问题中的must是用疑问的语气来问“我是不是必须要……”
回答既然是否定的,就不能再用must(就算是肯定的也不能再用了),
第一个应该是needn't,第二个你没给答案,应该填should
can 或者may
选项是不是不对哦 应该是needn't can
第一个空不能用mustn't,mustn't表示不准,显然不对。
应该选A,因为must是一种命令强制的语气,can是一种可以商量的语气,比must弱些.所以选A
正确答案是B
问:我们必须现在清洁教室吗?
答:不需要.但在午饭后必须做清洁.
第一空needn't表示不必
这才有第二句,“你可以午饭后打扫”
第二空就该是can或may
你好象的错题目了
B,must问句的否定回答用needn‘t,表示你不必,you can为你可以
题目出错了吧.
A
原文中用的是must,回答也得是must,得用否定
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