The bus came after I for about half an hour
为什么I后面要填had been waiting?
为什么不是had waited?
wait不是持续动词吗?
人气：465 ℃ 时间：2019-12-07 03:35:38
解答
过去完成进行时had been waiting强调一直等到那个时候.had waited只是已经等
持续动词当然可以用于这里了
终止动词不行
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