——Didyoufinishyourhomework?——No.We________it,butwespenttoomuchtimewat

发布时间：2020-08-06 19:58:27

——Did you finish your homework?——No. We ________ it, but we spent too much time watching TV.A.must have finishedB.could have finishedC.can't have finishedD.shouldn't have finished

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B解析could have finished表示“本可以完成(实际没完成)”。
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