we mustn't (首字母是c)each other in the classroom.

we mustn't (首字母是c)each other in the classroom. We mustn‘t throw( )awayA.its B.them C.they 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 ___ 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? A.t(ea)ch B.m(ea)t C.gr(ea)t D.p(ea)ch ()中的发音不同的是哪一个 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 We _____ fight against pollution.A.may B.Should C.mustn’t D.needn’t --Mr.john,we must hand in our homework today,_______?--No ,you ______.But you must bring it to school tomorrow.A needn't we ;mustn't B mustn't we needn't C mustn't you mustn't D needn't we need't但是这个题,第一个空,是反意疑问句,must的 we mustn't do that again We have to do our lessons first,___we?A.haven't B.don't C.won't D.mustn't we mustn't talk ____In the reading-room Aquite B loudly C quiet D quietly we mustn't talk ____In the reading-room Aquite B loudly C quiet D quietly We mustn't cook without ___ adult.A.a B.an C.two D./ 选词填空!We（ ）pick the flower in the park.A.can’t B.don't C.mustn’t A.needn't B.can't C.mustn't D.may notIf we ______ finish them in time , We mustn't buy things we____ A.needn't B.need not C.don't need D.haven't need 这句话为什么不选A选C,区别是什么,为什么A是错的. We mustn't buy things we____ A.needn't B.need not C.don't need D.haven't need 这句话为什么不选A选C,区别是什么,为什么A是错的 We ____fight against pollution.A may B should C mustn't D needn't答案给的C,实在不理解