题目内容
【题目】All the information except these two pieces _____ writing the article.
A. have been used to B. has been used to C. have been used for D. has been used for
【答案】D
【解析】此题真正主语是information而不是pieces,排除选项A和选项C.而选项B只能用于be used to do sth.,不能跟不定式。故选D.
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