He______ (一定已经完成了工作); otherwise, he wouldn’t be enjoying himself by the seaside.

游客2023-07-15  23

问题 He______ (一定已经完成了工作); otherwise, he wouldn’t be enjoying himself by the seaside.

选项

答案 must have completed his work

解析 ①表示对过去动作的肯定推测时,谓语用must have done来表示;②“完成”可译为complete/finish。
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