试题与答案

Not until Mr. Smith came to China ______

题型:选择题

题目:

Not until Mr. Smith came to China ______what kind of a country she is from.

A.Didn’t he know

B.Had he known

C.Hadn’t he known

D.Did he know

答案:

D

  not until在句首主句要部分倒装。

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