Themedicalreforminthatcountryprovedtobe

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问题详情:

Themedicalreforminthatcountryprovedtobe

The medical reform in that country proved to be _____ failure, but as we know, success often comes after _____ failure.

A. a; the         B. a; /             C. a; a           D. /; /

【回答】

B

知识点:冠词

题型:选择题

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