谁帮我把英文句子转成问句
问题描述：
谁帮我把英文句子转成问句
第一题：My sister called her friend yesterday 第二题：She talked to him for an hour 第三题：he studies piano at the unversity 第四题：My parents have two cars
答
Did your sister call her friend yesterday?Did she talked to him for an hour?Does he study pianoat the unversity?Do your parents have two cars?有不会的可以再问我哦（是一般疑问句吧）