In recent years our city has grown so fast that it's at least _____ 10 years ago.
问题描述：
In recent years our city has grown so fast that it's at least _____ 10 years ago.
A.the size as large as.B .five times size.C.as five times large as .D.five times its size
答
选D
A没有表示出倍数关系
B后面缺了as
C five times 应放在as …as之外
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