Our room must ___ clean.A.keep B.be kept C.to be D.kept

Our room must ___ clean.A.keep B.be kept C.to be D.kept We must keep our room clean.Dirt ...We must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.hand in handC.step by stepD.up and down这道题选B,怎么翻译呢?Thanks! We must ___ our ciassroom clean. Tom must be in his room.(改为否定句)Tom ___ ___ in his room. Must I leave the room now?No,you_-___ one after other / one after the othersWe must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.one after anotherC.step by stepD.hand in hand维森么选D B为什么不可以? the room must ___(清扫)as soon as possible.被动the room must ___(清扫)as soon as possible.被动语态的用法,该如何填写? We must make our hometown ___ and ___（rich）.英语填词. Our room must ＿＿clean.A.keepB.be keptC.to be kept D.to keep we must prepare our guest a room同义句转换.we must ____ a room____ ____ ____. 英语反意疑问句填空1)They must have gone there last night,___ ___?2)They must have arrived by now,___ ___?3)The room must have been cleaned yesterday,___ ___?4)The room must have been cleaned,___ ___? He must be in the room,___ he? 如何做?为什么? We must have someone ___ the room.填clean up,为什么不是to clean up The room ___ a stale air.It must have been vacant for a long time. 1English ____ in Canada.A.speaks B.are spoken C.is speaking D.is spoken 2 This kind of car ___ in Japan.A,makes B.made C.is making D.is made3 Our room must ___ clean.A.keep B.be kept C.to be kept D.to keep 4 A new house ___ at the corner of the road. You must get the room tidied up before you go out today.You must get the room ___ ___before you go out today.同义句 our room must be kept clean.中的keep不是系动词么,怎么用被动态keep用被动态是因为our room 提前了是吧 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