情态动词练习题()1John___cometoseeustonight,butheisn'tverysureyet.A.mayB.canC.hastoD.must()4You___goandseeadoctoratoncebecauseyou'regotafever.A.canB.mustC.mustn’tD.would()5-CanyouspeakJapanese?-No,I____.A.mustn'tB.can'tC.needn'tD.maynot()6Heisn'tatschool.Ithinkhe___beill.A.canB.shallC.mustD.hasto()7___Itakethisone?A.MayB.WillC.AreD.Do()8Thechildren___playfootballinthestreet.A.can'tB.canC.mustn'tD.must()9You___belateforschoolagainnexttime.A.mustn'tB.needn'tC.don'thavetoD.don'tneedto(