We ____fight against pollution.A may B should C mustn't D ne

We ____fight against pollution.A may B should C mustn't D ne We _____ fight against pollution.A.may B.Should C.mustn’t D. We____ fight aganist pollution A.may B.should C.mustn't D.ne We mustn't buy things we____ A.needn't B.need not C.don't ne We ______laugh at our classmates.A.must B.may not C.mustn't May I come in?No,you ___.A.mustn't B.needn't C.may not D.are If I were you,I______worry so much.A couldn't B mustn't C ne May I come in? No, you ___. A. mustn't B. needn't C. may not -May I smoke here?-No,A.you mustn't B.you may notC.you'd bet Must we line up?No,you____.A.mustn't B.needn't C.can't D.sho May i take this seat?No ,you___.A.may mot B.mustn't C.all of 选择适当的情态动词填空 can,may,must,shall,would,should,can't,mustn't,ne