Question

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

Answer 1

A

解析:

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。