----you'veagreedtogo,sowhyare'tyougettingready?----buti_____thatyou_____ustostartathome.A.don'trealize,wantB.don'trealize,wantedc.haven'trealized,wantD.didn'trealize,wanted我想问这个题为什么是选D----______thesportsm

　　----you'veagreedtogo,sowhyare'tyougettingready?

　　----buti_____thatyou_____ustostartathome.

　　A.don'trealize,wantB.don'trealize,wanted

　　c.haven'trealized,wantD.didn'trealize,wanted

　　我想问这个题为什么是选D

　　----______thesportsmeetmightbeputoff.

　　----yes,italldependsontheweather.

　　A.i'vebeentoldB.i'vetoldC.i'mtoldD.itold

　　这个题为什么选A不选其他的

　　---i'msorrytokeepyouwaiting.

　　---oh,notatal,i____hereonlyafewminutes.

　　A.havebeenB,hadbeenC.wasD.willbe

　　----didyougotobeijingforvacation?

　　----i___togo,butigotsickatthelastminute.

　　A.wasplanningB.haneplannedC.hadbeenplanningD.havebeenplaning

　　22._______theletter,Iranoutoftheroomtothepostoffice.

　　ASinceIhavefinishedwritingBNosoonerthanIhadfinishedwriting

　　CAssoonasIfinishedwritingDAfterIhavefinished

　　31.We_______theproblemforquitesometime,butwe_______anyconclusionyet.

　　Ahaddiscussed;haven'treachedBdiscussed;haven'treached

　　Chavediscussed;haven'tbeenreachingDhavebeendiscussing,haven'treached

　　38.I_______suchaninterestingbookbefore.

　　AwasneverreadingBwillneverreadChadneverreadDhaveneverread

　　48.Onceyou______apromise,youmustcarryitout.

　　AhavemadeBhadmadeCmadeDismaking

　　这几道题该选哪个?为什么但是我我不知道为什么有点多