The boy felt unhappy because he was not allowed to play computer games,____he? A.did B.didn't C.was
D.wasn't
选（）,为什么?
人气：327 ℃ 时间：2020-02-03 15:53:08
解答
选B,because引导原因状语从句,所以这里的主句是前半部分,主句的谓语是felt,变疑问句时要用助动词do,does或did.这里的问句是反义疑问句,主句是肯定句,所以问句要变成否定,所以选B
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