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Not until I went through his paper what rapid progress he had made in writing. A

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Not until I went through his paper what rapid progress he had made in writing. A

Not until I went through his paper_________ what rapid progress he had made in writing.

A.I did find

B.did I find

C.I had found

D.was I found

 

试题答案

【答案】

B

【解析】略