You must clean the table once a week.( )1.You should finish your homework in time.A.劝告 B.建议 C.责备 D.命令 ( )2.You ought to clean the table once a week.A.劝告 B.建议 C.责备 D.命令 ( )3.You shouldn’t go alone.A.不应该 B.不能

you must clean the window对clean the window提问 You must keep the bedroom ______(clean) You must clean the classroom.(改为祈使句) you must clean the classroom,you?a.needn’t b.mustn’t c.can’t d.don’ Must I clean the floor now?(A) No,you mustn't.(B) No,you needn't.并说明理由 You can't go home now.you clean the classroom.A.must.B.can.C.need为什么选A must we clean the room right now?No,you ______.You ______clean it after lunchA.mustn't;can B.needn't;must c.practise D.be practiced You must clean the classroom, you? 中间要填什么 You must clean the floor 改为同义句( ) ( )the floor must i clean the room nowno,you___mustn'tneedn't ____ I clean the door?no,you ___.A.need;mustn't B.must C.may D.could 改错 1.Yesterday Jack arrived to Beijing.____ 2.Must we clean the room now?No,you mustn't.____ Must we clean the classroom now?No,you needn't.It ______ after school.A.may clean B.must clean C.need be cleaned D.can be cleaned[正确答案是D,为什么不选C] Must I clean the room now No you don't_______ You must clean the house now 改为被动语态 must i clean the classroom right now?No,you ( ) Finally,you must r______to keep the rivers and lakess clean. must i clean my room now ?---no, you ___ .but you must clean it tomorrow .A.must B. mustn't C.need D.needn't写解释