5、案是:B12、Idon’tknowheraddress,()Ican’twritetoher.AbutBorCsoDsince正确答案是:C13、Itwasn’tanaccident.Hediditon().AreasonBdeterminationCpurposeDintention正确答案是:C14、()isnogoodleavingtoday’sworkfortomorrow.AThisBWhatCThatDIt正确答案是:D15、“Where()my umbrella?”“Somebody()it away by mistake.”Ais, mu
6、st have takenBis, must takeChave been, must takeDis, takes正确答案是:A16、Heis________abouthischancesofwinningagoldmedalintheOlympicsnextyear.AoptimisticBoptionalCoutstandingDobvious正确答案是:A17、Notmanypeoplerealizethis,()itisquitetrue.AbutBhoweverCsoDthat正确答案是:A18、Iamafraidthatthereisn’t