______you smile at others, they will smile back.
- A.If
- B.So
- C.Or
- D.Though
正确答案及解析
正确答案
A
解析
句意：如果你对别人微笑，他们也会报以微笑。
考查从属连词辨析。If如果；So因此、所以；Or或者；Though虽然、尽管。根据“you smile at others”及“they will smile back”可知，如果你对别人微笑，他们也会报以微笑，用If引导条件状语从句，故选A。
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