3、B.informationC.scienceD.instructions()29.Ittookme______tofinishthesummerhomework.A.ahalfandtwoweeksB.twoweekandahalfC.twoandahalfweeksD.twoandahalfweek()30.—Shall we go on working? —Yes, ______ I prefer to have a rest. A. when B. if C. because D. though()31.Linda______ thedancingclubsin
6、gwas()37.—IsitMary’sbook?—It_______behers.Thereishernameonit.A.canB.can’tC.mayD.must()38.I don’t think_______possible to master a foreignlanguagewithoutmuchmemorywork. A. this B. that C. it’s D. it ()39.Wedon’tallow_____inthisroom.A.smokingB.tosmokeC.peoplesmokingD.peopletosmoking()40.Hissis