15.Youwon'tgetbetterifyoudon't____________smoking.A.giveupB.giveawayC.giveout16.Notuntilmostofthepeoplehadlefttheairport_________hissisterwasthere.A.thathesawB.hadheseenC.didheseeD.thathehadseen17.Theyare_________

　　15.Youwon'tgetbetterifyoudon't____________smoking.

　　A.giveupB.giveawayC.giveout

　　16.Notuntilmostofthepeoplehadlefttheairport_________hissisterwasthere.

　　A.thathesaw

　　B.hadheseen

　　C.didhesee

　　D.thathehadseen

　　17.Theyare_________studentsthattheyallperformedwellinthenationwideexaminations.

　　A.sodiligent

　　B.suchdiligent

　　C.somuchdiligent

　　D.suchverydiligent

　　18.Shepaidthebuilder_________thegate.

　　A.torepair

　　B.repair

　　C.repairing

　　D.repaired

　　19.We__________everydaywhenwewerechildren.

　　A.usedtoswim

　　B.usedtoswimming

　　C.usetoswim

　　D.usetoswimming

　　20.Thework____bythetimeyougetthere.

　　A.willhavebeendone

　　B.wasdone

　　C.hadbeendone

　　D.hasdone

　　21.Itisassumedthatstudentsatanintermediatelevelwillhaveagood______ofthebasicstructuresandvocabularyofEnglish.

　　A.command

　　B.commanding

　　C.tocommand

　　D.commanded

　　22.MoreandmorepeopleinChinanow__________toworkregularly.

　　A.drive

　　B.drives

　　C.drove

　　D.havedriven

　　23.We____________thebathroomandplan_____________thebedroomthisyear.

　　A.painted…topaint

　　B.ispainting…painting

　　C.paint…topaint

　　D.havepainted…topaint

　　24.Iregret_______thatI'munabletohelpyou.

　　A.saying

　　B.tosay

　　C.say

　　D.said

　　25.Theyall____________thejob.

　　A.askedafter

　　B.askedfor

　　C.askedto

　　D.askedwith