Someone ______ the tap on，for the water was running over and flooding the bathroom.（ ）
【考點】must have done的用法．
【答案】B
【解答】
【點評】
聲明：本試題解析著作權屬菁優(yōu)網所有，未經書面同意，不得復制發(fā)布。
發(fā)布：2024/4/20 14:35:0組卷：84引用：3難度：0.8
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