You drink or eat while walking down the stairs. A. are supposed to B. aren't suppos——青夏教育精英家教网——

题目内容

You_______ drink or eat while walking down the stairs.

A. are supposed to B. aren't supposed.

C. aren't supposed to D. are supposing to

试题答案

1、C

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You_______ drink or eat while walking down the stairs.

A. are supposed to B. aren't supposed.

C. aren't supposed to D. are supposing to

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