we mustn't break the (r ) in our school1 we mustn't break the (r ) in our school 2 if we want to learn english well ,we must practise (s )it first

we mustn't break the ------(peace) of our society.everything is so -------(peace) here. we mustn't break the (r ) in our school1 we mustn't break the (r ) in our school 2 if we want to learn english well ,we must practise (s )it first We mustn't use the things ____(pollute) the environment. The sign No smoking means we mustn't smoke here we mustn't play in the kitchen 翻译意思 i didn't break the window.It __ the truth.He is lying.can't be mustn't be shouldn't isn't 选哪个A.can't be B.mustn't be C.shouldn't be D.isn't You-------miss the lesson ,though we --------------have it on Thursday.A mustn't;needn't B needn't;mustn't C mustn't;mustn't D needn't;needn't Plastic and other similar rubbish mustn't be thrown into the sea because they don't ________easily.A.break down B.break into C.break off D.break out we must line up in the corridor and you mustn't push .you mustn't take your schoolbag. We talk loudly when we see the sign on the right must mustn't need needn't 答案选mustn't ,谁可以帮解答 否定句改疑问句：You mustn't ride the bike.We shouldn't drink any juice. We mustn't shout loudly in the reading room.改为同义句,We mustn't shout ----( 4空)in the reading room. We mustn't play football in the street(祈使句)____ _____ football in the street look at the classroom rules .we mustn't-----(run)in the classroom.动词形式 can't 和mustn't的用法?1.In Britain you ______ ride your bike on the pavement.A.can't B.mustn't2.We____forget to turn off the light before we leave.A.mustn't B.can't 阅读英语短文,We can see many traffic signs on both sides of the roads or streets.Some tell the drivers what to do,and others tell them what not to do.The traffic signs are the traffic rules.All people must obey the rules and mustn’t break the we mustn't do that again 选词填空!We（ ）pick the flower in the park.A.can’t B.don't C.mustn’t