46.I'mnotsurewhetherIcangainanyprofitfromtheinvestment,soIcan'tmakea(n)____promisetohelpyou.
A.exactB.definedC.definiteD.sure
47.Ifyouwantto_____apleasantvisit,findoutasmuchaspossibleaboutthemannersandcustomsofyourhostcountry.
A.assureB.ensureC.endureD.increase
48.Thisisaverydifficultoperation.Itisessentialthatyou________foremergency.
A.aretobepreparedB.wouldprepared
C.bepreparedD.mustbeprepared
49.Agoodwayto___yourvocabularyistoreadadailynewspaper.
A.enhanceB.enlargeC.extendD.expand
50.Whilewritingareport,youhavetowriteina(n)_____way.
A.informalB.formalC.formerD.foremost
51.Theyare_______enoughtogetintouniversities.
A.formalB.fortunateC.familiarD.fierce
52.Ofswimmingandfootballhemuchpreferredthe____.
A.formerB.fortuneC.figureD.formal
53.Thelittleboy_____hishidingplacewhenhecoughed.
A.gaveawayB.gaveupC.gotawayD.gotin
54.Tomorrowwe’llhavethefinalexam,soIhaveto____thebooksagain.
A.gooverB.goonC.goforD.gothrough
55.Itcouldbequiteafewyearsbeforetheproductis_____available.
A.particularlyB.generouslyC.generallyD.individually
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