题目内容
18. ( 2011 佰迁,13) —Bob,it’s getting cold outside. take a jacket?
—All right,Mum.
A. Why do you B. Why not
C. Why did you D. Why don't
18. B18. B句意:——Bob ,现在外面变冷了。为何不带上一件夹克衫 呢?——好的,妈妈。本题考查简单句。Why not do...?相当于 Why don't you do...?从结构上可知选B项
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