I_(wait)here for an hour,but he hasn't come yet.如何填空用现在完成时还是现在完成进行时

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I_(wait)here for an hour,but he hasn't come yet.如何填空用现在完成时还是现在完成进行时
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I_(wait)here for an hour,but he hasn't come yet.如何填空用现在完成时还是现在完成进行时
I_(wait)here for an hour,but he hasn't come yet.如何填空
用现在完成时还是现在完成进行时

I_(wait)here for an hour,but he hasn't come yet.如何填空用现在完成时还是现在完成进行时
have been waiting

现在完成进行时

过去式

现在完成进行时
have been waiting