Jack must (go) ______ away—we can’t find him anywhere in the factory.have gone本题

游客2024-07-11  9

问题 Jack must (go) ______ away—we can’t find him anywhere in the factory.

选项

答案 have gone

解析 本题考查情态动词+动词完成式。must have done表示对过去的事情倾向于肯定的猜测,常译为“一定,准是,肯定”。如:He must have arrived by air.(他一定是乘飞机来的。)
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