But for the help of my English teacher I the first prize in the English Writing Competit

问题补充：

But for the help of my English teacher, I the first prize in the English Writing Competition.

A. would not win

B. would not have won

C. would win

D. would have won

答案：

A. would not win

(答案→)B. would not have won

C. would win

D. would have won

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