【題目】Thank God you're safe !

I stepped back Just __________ to avoid the racing car.

A. in time

B. in case

C. in need

D. in vain

【答案】A

【解析】句意:——謝天謝地,你安然無(wú)恙!——我退了一步,正好及時(shí)避開了賽車。本題考查介詞短語(yǔ)辨析。in time及時(shí);in case以防萬(wàn)一;in need需要;in vain徒勞無(wú)益。

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