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

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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

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
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

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
hasn't
We've been waiting for him for an hour.表明我们已经等了一个小时 通过其所用的时态现在完成进行时可以看出“我们现在还在等”,也就是说David 还没有来到现在还没有来,因此要用现在完成时填空.
您说在A和D之间矛盾,但是您好像并没有给出选项,因此以上解答只是个人理解,