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The rescue team must have searched for the missing visitors in the earthquake tw
The rescue team must have searched for the missing visitors in the earthquake tw
游客
2023-09-18
44
管理
问题
The rescue team must have searched for the missing visitors in the earthquake two days ago, ________?
选项
A、mustn’t they
B、haven’t they
C、didn’t they
D、hadn’t they
答案
C
解析
本题考查反意疑问句。如果陈述部分含有表示推测的情态动词must，其反问部分应根据具体情况而定。对过去发生的动作或存在的情况推测时，若表示肯定，则用haven’t 或hasn’t ；但如果句中有表示过去的时间状语，如yesterday、two days ago等时，则用didn’t 。本题表示的是对过去的肯定推测，并有一个表示过去的时间状语two days ago，因此应当用didn’t they，故答案为C。
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