专题(九)系动词和情态动词语法综合演练1.[2023年·凉山州]Weshouldkeepquietinthelibrary.Wespeakloudly.A.mustB.mustn’tC.canD.needn’t2.[2023年·温州]Wedon’tallowtakingmagazinesout,butyoucopythearticleyouneedonthemachineoverthere.A.canB.mustC.shouldD.would3.[2023年·乐山]—WhereisMonica?Ican’tfindheranywhere.—Shebeinthelibrary.Shelovesreadingbookswhensheisfree.A.mustB.needC.can’t4.[2023年·青岛]Asmiddleschoolstudents,wefollowthepublicruleswhereverwego.A.wouldB.shouldC.mightD.could5.[2023年·天水]—Listen!IsthatLindaplayingthepianointheroom?—No.ItbeLinda,shehasgonetoLondon.A.maynotB.needn’tC.can’tD.mustn’t6.[2023年·安徽]Thedesignerhastriedeverypossible...