If the earth is a ball, why don't we ? [ ] A．fall backB．fall away C．fall behindD
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![If the earth is a ball, why don't we ? [ ] A．fall backB．fall away C．fall behindD](/pic/43_953644.jpg)
If the earth is a ball, why don't we ________?
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A．fall backB．fall awayC．fall behindD．fall off
试题答案
答案：D
提示：四个选项均为fall构成的短语动词；fall back违约，后退，返回；fall away脱落，落掉；fall behind落后；fall off落下.这句意思是“如果地球是个球体，那我们为什么不掉下去呢?” |