They（）have classes on Saturday or Sunday用aren‘t还是用don’t?

they have classes o ------weekdays What classes do they have they have 6 classes every morning (对6提问） lt's nine o'clock,and they _____ [have]classes. They have no classes today.(同意句） They ____ have ____ ____ today. They have no classes on Saturday（改为同义句）They —— have ———— classes on Saturday. they have classes on weekdays同义句 they have classes from_ to _ they have classes on weekdays同义句they have classes on _____ _____ ______ They have no classes on Saturdays and Sundays.(改为同义句)They()()classes()(). They have classes in the afternoon.改为一般疑问句 ______ they ______any classes in the afternoon? They（）have classes on Saturday or Sunday用aren‘t还是用don’t? they have classes at 8:05.（对at8:05提问） it's nine o'clock and they ( ) classes They begin classes at two o'clock and classes a_____ over four twenty-five.填什么 they have four classes in the morning神马意思 They're ready to have classes.改为同义句 They have 4 classes in the moring.否定句&疑问句 They not have classes on Saturday orSunday.这句话对吗?