题目

I haven’t seen______ this since I collected stamps. A. as old a stamp as                 B. so an old stamp as C. stamp as old as                   D. as an old stamp a   答案： A 表示“象这么旧的邮票”可用以 下形式表达：as old a stamp as this； a stamp as old as this； 否定句中前一个as可用so。  

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