have a rest you ____on your report all the morning but i haven't _英语解答 - 作业小助手

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have a rest you ____on your report all the morning but i haven't finished half of it
A:are working B:had worked C:have been working D:worked

人气：376 ℃　时间：2019-08-18 03:20:30

解答

C:have been working
现在完成进行时.
休息一会儿吧,你已经在你的报告上忙了一上午了.
可我还没弄完一半.

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