早教吧 育儿知识 作业答案 考试题库 百科 知识分享

—Mummy,Ihavebrokenmytrain.一Itoldyouso.YouonitA.mustn'thaveriddenB.couldn'trideC.shouldn'thaveriddenD.needn'tride

题目详情
— Mummy, I have broken my train.        
一I told you so. You _______ on it
A.mustn't have ridden
B.couldn't ride
C.shouldn't have ridden
D.needn't ride
▼优质解答
答案和解析
C