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4、sh_______ Chinese. A.but B. also C. so D. and ()9.—______youhelpmecarrythesebooks?—Sure.A.ShouldB.CouldC.MayD.Must()10.—MustIfinishmyhomeworktoday,Mr.Smith?—No,you______.Butyouhavetofinishittomorrow.A.mustn’tB.needn’tC.maynotD.can’t()11.Myuncletogetherwithhistwochildre