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职称英语
The classroom is empty now. I think the students (go) ______ to the playground.m
The classroom is empty now. I think the students (go) ______ to the playground.m
游客
2024-07-27
7
管理
问题
The classroom is empty now. I think the students (go) ______ to the playground.
选项
答案
must have gone
解析
此处是对过去的情况进行肯定的猜测,用must have done的形式。
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