What must you do before you return a book to the library?你来翻译

what must you do at a red what must you do to be safe? You must do exactly what I tell you to do what must you do when you change lanes什么意思 Do what you must do and what you want to do!表达正确吗 imagine:youhavemumps or measles!what must you do kuai! think of what you must do中文意思 what must you do before getting off a train Must you do not You must tell us exactly what you would like to do.You must tell us to exact what you would like to do.为什么是错的 What must Nina not do 同义句转换 No matter what you do,you must be careful.=Whatever you do,you ______ _____be careful. what do you think would be must intersting job to do 怎么翻译? What must you do or mustn’t do at home and at school do you think this true love?what must parents do in order to prove their love What must you do or mustn’t do at home and at school 脑筋急转弯 What must you do before you return a book to the library? What must you do before you return a book to the library?你来翻译