A．[A] the B．[B] an C．[C] a_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

A．

[A] the

B．

[B] an

C．

[C] a

答案

参考答案：C

解析：第一次提到用不定冠词a。

选择题

Not until I read your letter ________ the true state of the affairs.

A．did I understand

B．had I understood

C．I understood

D．I had understood

问答题简答题

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