You ____ clean the room now.You ___ do it after supper.A.won't,must. B.don't have to,may. C.needn't,must. D.shouldn't,can为什么选B,其他三个为什么不可以?原因,谢谢!

Who else ____(clean)the classroom with you today? Will you clean the blackboard? -____(好的）,sure. who ____(clean) the classroom? you should clean the You can clean the window (like this).(就括号里提问） ____ ____ I ____ the window? will you please clean the yard? would you ____ _____the yard?（改为同义句） could you please clean your room同义句____ _____ ____clean the room Could you help me clean the living room?Yes,____ ______. Let ____ clean the windowsA、they B、he C、we D、you can you help me ____ the window a.clean b.cleans c.cleaning Before you ____ up the fruit,make sure to clean them. The water is very clean.(感叹句） ____ ____ ____ Finally, you must r( ) to keep the rivers and lakes clean. can you clean the room? 改错 1.Yesterday Jack arrived to Beijing.____ 2.Must we clean the room now?No,you mustn't.____ I often ____(clean) the room. How ____ (clean) the house is 1.I clean the ____(live)room every day.2.Could you please ____(clean) your room?3.I hate ____(do) chores.4.How often ____ you ___ (clean) your room?5.I don`t like ___9do)the dishes.6.Let`s ___(go) to the movies.7.I have some favors ____(ask)you.用