Does everyone know what to do if a fire ______?A.is broken upB.breaks upC.is broken outD.breaks out-

题目简介

Does everyone know what to do if a fire ______?A.is broken upB.breaks upC.is broken outD.breaks out-

题目详情

Does everyone know what to do if a fire ______?
A.is broken upB.breaks upC.is broken outD.breaks out
题型:单选题难度:偏易来源:不详

答案

D
考查时态及语态.当主句为一般现在时态时,从句用一般现在时态.句子fire是爆发的主体,故用主动语态,选D.

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