一、选择题1．—Wherehaveyoubeenthesedays?—I’vejustcomebackfromCanada.I________thereforthreeweeks.A．havestayedB．stayedC．stayD．willstay2．Thenewspaperhaspickedoutsomeeventsthatmatteredtotheworldlastyearand________ourworldforyearstocome.A．influenceB．influencedC．willinfluenceD．haveinfluenced3．AnincreasedconcentrationofcarbondioxideandcertainothergasesintheEarth’satmosphere______globalwarming.A．contributingtoB．contributetoC．contributestoD．tocontributeto4．Asthetown______goodrestaurants,wejusttreatedtheforeignfriendstosomelocalfoodathomeyesterday.A．didn’thaveB．doesn’thaveC．won’thaveD．hadn’thad5．Bythetimetheteacher_______back,we________thethoroughcleaning.A．came,havefinishedB．comes,havefinishedC．willcome,willhavecomeD．comes,willhavefinished6．—Iwonderifyourfather_______youtogoswimming.—I'mnotsure.ButIwilltellyouifhe_______toletmejoinyou.A．willallow;agreesB．allows;agreesC．allows;willagreeD．willallow;willagree7．David________sohard.Heisalwaysthefirsttocomeandthelasttoleave.A．willworkB．worksC．workedD．wasworking8．Warsaredisasters.Alargenumberofpeoplewilllosetheirhomesifawar.A．breaksoutB．isbrokenoutC．willbreakoutD．willbebrokenout9．NotonlymyclassmatesbutalsoourEnglishteacherChinesepoems,soweoftensharetheirfavouriteones.A．likeB．likedC．likesD．liking10．Peoplemorechancestoreceivegoodhealthcarethantheyusedto,andthey'relivinglongerasaresult.A．willhaveB．haveC．hadD．werehaving11．—Thefootballmatchiscoming.I’mnotsureifitwillraintomorrow.—Ifittomorrow,we’llputoffthematch.A．willrainB．israiningC．rainsD．rain12．Temperatures________quitedramaticallyatnightinmountains,soputonsomewarmclothesbeforegoingout.A．aredroppedB．dropC．arebeingdroppedD．havedropped13．---Idon’tknowifAuntLitolookafterthese“stay-homechildren”tomorrowmorning.---Ifhe,Iwillphoneyou.A．comes;willcomeB．comes;comesC．willcome;willcomeD．willcome;comes14．Frank________stampsinhissparetime.It’shishobby.A．iscollectingB．collectsC．collectedD．wascollecting15．—HaveyoueverbeentoShanghai?