问题
选择题
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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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
D
not until在句首主句要部分倒装。