问题描述:
David said he would come to have supper with us.But he_ We've been waiting for him for an hour
主要是在A和D之间矛盾.
A、hasn't B、hadn't C、wasn't D、doesn't
主要是在A和D之间矛盾.
A、hasn't B、hadn't C、wasn't D、doesn't
问题解答:
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