Not until Mr.Smith came to China_what kind of country she is.
题目
Not until Mr.Smith came to China_what kind of country she is.
he knew
he didn't know
did he know
he couldn't know
选出正确答案并给出理由
答案
选he didn't know
句意：直到史密斯先生来了中国,他才知道中国是个怎样的国家.
not until...not...是双重否定,强调语义,如果不...就不...
所以,原意：如果史密斯先生不来中国,他就不知道中国是个怎样的国家.
顺带一句,she指带‘中国’.
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