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In vain ______ to get in touch with the Embassy.A、they triedB、tried theyC、did
In vain ______ to get in touch with the Embassy.A、they triedB、tried theyC、did
游客
2024-10-22
20
管理
问题
In vain ______ to get in touch with the Embassy.
选项
A、they tried
B、tried they
C、did they try
D、they have tried
答案
C
解析
句子结构辨析题。状语in vain置于句首时,句子中的主谓要部分倒装,即将谓语中的be动词或助动词提前,因此C 是正确答案。
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