问题描述：
高一英语单选,急,今晚要答案..
1.whatiwanttoknow_____isfromusingheradvice
A.howcanwegetB.whatcanweget
C.whocanwegetD.thatcanweget
2.ifyouare_____foryourjobanddon'tcomplainaboutit,you’lldoabetterjob.
A.gratefulB.usefulC.ableD.sincere
3.-I'mnotverygoodat_______myideastoothers.
-Oh,no!wonderIsometimesfeelpuzzledbywhatyousay.
A.comingforB.comingacrossC.gettingonD.gettingacross
4.whenfirst_______tothemarket,themp3wasnotaspopularasitistoday.
A.wasintroducdB.wasintroducing
C.introduced
5.Ithoughtthisnewmedicine_______yougood,soIboughtit.
A.woulddoB.doesC.willdoD.hasdone
6.howacomputerworksis______I'mtryingtofindout.
A.howB.whenC.whetherD.what
.