When are your classes?

when do you start your classes什么意思 How many classes are there in your grade? how many classes are there in your school同意句 your classes are interesting划线interesting,划线提问 How many classes are there in your school? when are your friends brithdays When does your brother ( )classes?A:start B:starts C:to star when do you finish your classes?( )about 5:00pm.A.At B.In C. When do you finish your classes?______ 4:30 P.M.. the classes are over we are __ when we hear the __ news-we dont have classes tomo we all sit ——（quiet） when we are having classes 动词正确形式填空