Whenmybabysisterfellasleep,Mumcameoutand 国语站 题库 1.52W 大中小设置文字大小 问题详情:When my baby sister fell asleep, Mum came out and ______ the door behind her carefully. A. rang B. shut C. knocked D. answered【回答】B知识点:动词和动词短语题型:选择题 TAG标签:#