We________forthebushalfanhour,bu

发布时间：2020-07-26 07:36:05

We ________ for the bus half an hour, but it has not e yet．A.have been waitingB.have waitedC.are waitingD.have been waited

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A解析根据题意“等车”，这一动作从过去某一时刻持续到现在，还可能持续下去。
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