单项填空1.Acleanenvironmentcanhelpthecity________theOlympics,whichinturnwillpromoteitseconomicdevelopment
A.wishforB.longforC.bidforD.standfor2.Protectyourselffromstrongsunlight
Youknow,skincancercanbecausedbytoomuch________thesun
A.contactwithB.experimentonC.exposuretoD.exhibitionof3.—Mum,haveyouseenmymobilephone
—________youboughtlastweek
I’mafraidIhaven’tseen________
A.Theone;itB.Theone;oneC.One;itD.One;one4.IwouldliketoproposeMrHarrison________theimportanttask
A.undertakeB.undertakesC.undertookD.willundertake5.OnAprilFool’sDay,youshouldbecarefulnottobe________whenotherstrytoplaytricksonyou
A.takenupB.takendownC.takenoutD.takenin6.Imyselfdon’tbelieveinghosts;________,Iwouldn’tliketobealoneinthatroomatnight
A.evensoB.eventhoughC.evenasD.evenif7.Heisalwayshelpingpeoplewithoutexpectinganythi