We__fight against pollution.A.may B.should c.mustn't D.needn

We _____ fight against pollution.A.may B.Should C.mustn’t D. We ____fight against pollution.A may B should C mustn't D ne We____ fight aganist pollution A.may B.should C.mustn't D.ne May I come in?No,you ___.A.mustn't B.needn't C.may not D.are May I come in? No, you ___. A. mustn't B. needn't C. may not 英语 第38 个空,A shouldn't B needn't C mustn't D you ___ (A shouldn't B mustn't C needn't D can't)eat the sou Must we line up?No,you____.A.mustn't B.needn't C.can't D.sho he must be from America,（ ） he?A.mustn't B.needn't C.is D.be a may have b needn't have c couldn't have d must have 用should,shouldn’t,must,mustn’t,needn’t,can’t ,may,have to 填空 You _____do that,if you don't want to.a.mustn't b.needn't c.