We mustn't have anything that _____,or it will do harm.A.goes badB.goes wrongC.goes overD.goes down

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 We have to do our lessons first,___we?A.haven't B.don't C.won't D.mustn't We （）tell her about it .She may have known it.A.don't have to B.mustn't we mustn't do that again Night has fallen,we have to stay here for the night,__为什么选don't we而不是mustn't we? we ___ for her beause she never came.A needn't waitB shouldn't have waitedC mustn't waitD mustn't have waited个人觉得选A有came 说明说明了啊？本人基础不好~可以说清楚点不？ We must have been drunk last night,_____?A.weren't we B.mustn't we C.hadn't we D.didn't we老师说 选D 但为什么不选A啊? What we need is___the animals.We mustn't wast time. we ___ for her beause she never came.A needn't wait B shouldn't have waited C mustn't wait D mustn'tA为什么不对,这时needn't后跟动词原形跟came是过去式 也没关系? We are not allowed to touch it.We__touch it A.mustn't B.mustn't to C.haven't to D.don't have to这句话中为什么不选C,选A,C错在哪里,怎样翻译. We are not allowed to touch it.We__touch it A.mustn't B.mustn't to C.haven't to D.don't have to这句话中为什么不选C,选A,C错在哪里,怎样翻译 Shall we play football here No you _______.A shan't B can't C may not D mustn't问题补充：The giShall we play football here No you _______.A shan't B can't C may not D mustn't问题补充：The girl must have a twin sister,____ she?A mustn't Bisn We must have been drunk last might,_________?A 为什么不对啊A.weren't we B.mustn't we C.hadn't we D.didn't weA 为什么不对啊 Must we come to school at 7:00? No, you__________.A. mustn't B.can't C. may not D.don't have to 选择什么?为什么? must we go out right now?回答是:no, you____A mustn't B shouldn't C may you D don't have to [ ] must we finish the exercise today no ,you { }A mustn'tB don't haveC don't have toD needn't to并说明原因 有没有这个说法:I mustn't have been a doctor.可以说mustn't`````吗? we have received an order that we ___ the lab for a couple of daysA .mustn't use B .not use 为什么选B 不选A .