【单选题】
Howmanymoredecadeswillhavetopass scientistssucceedinprovidingacureforcancer?
【单选题】
DadandMomaretoobusytohelpus.Letsdoit______.
【单选题】
Theaccidenthappened____themorningofMay2nd.
【单选题】
Thereislittlewaterinthebottle,_____?
【单选题】
Iwasverybusyyesterday;otherwise,I_____toyourbirthdayparty.
【单选题】
--WouldyoumindifIopenthewindowforawhile?-----__________________________
【单选题】
Everystudenthasfree_______tothelibrary.
【单选题】
—ImgoingtoHangzhouforaholidaythisweekend.—_________youarethere,canyoubuymesomegreentea?
【单选题】
Look!Yourcomputeriscoveredwithdust.Whynotputacoveroverittokeepit___thedirt.
【单选题】
—Whomadeaphonecalltomejustnow,David?—Idontknow,butiswasagirls_____.