帮忙做做这些英语题，在线等，着急！！谢谢
21、Asthesalaryishigh,the______forthejobisverysevere.（1分）
A、competitionB、contest
C、complimentD、constant
22、Ifyouhadtoldmeaboutyourproblem,I______abletohelpyouthen.（1分）
A、couldbeB、hadbeen
C、wouldbeD、mighthavebeen
23、Thecriminal______fromprisonafterservinghissentence.（1分）
A、releasedB、wasreleased
C、willreleaseD、istorelease
24、______＿＿uslightandheat,thesunisshiningbrightinthesky.（1分）
A、TogiveB、Give
C、GivenD、Giving
25、Extrasecurityhasbeenorderedinthecity______＿40civilianswereleftdeadinaconflictbetweenthegovernmentandtherebels.（1分）
A、whereB、which
C、thatD、what
26、Solittle______aboutphysicsthatthelecturewascompletelybeyondme.（1分）
A、IknewB、didIknow
C、IhaveknownD、haveIknown
27、Tangyuan,______riceballs,areaspecialtreatduringtheChineseLanternFestival.（1分）
A、bitterB、sour
C、stickyD、spicy
28、Aswellasbeingvery______aboutthehorsesˊcondition,theoldhorsemanwasequallyconcernedabouttheirappearancewhenpickinghorses.（1分）
A、particularB、worried
C、fearedD、delightful
29、Accordingtotheweatherreport,whichisusually______itwillrainheavilytomorrow.（1分）
A、accurateB、exact
C、positiveD、perfect
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