【WhentheairinBeijinggot"crazybad"，asanAmericanreporterdescribed(描述)，onecouldhardlyevenseeothersacrossthestreet.Duringthe1_________youcanusualImakeout(辨认出)thesunthroughtheskybuteven】

　　WhentheairinBeijinggot"crazybad"，asanAmericanreporterdescribed(描述)，onecouldhardlyevenseeothersacrossthestreet.Duringthe1_________youcanusualI makeout(辨认出)thesunthroughtheskybutevenatnoonthesunisjust2_________asmallwhiteball.Yourclothescanget3_________afteraday'swalking.Clothes 4_________likeinanairportsmokingwaiting-room.

　　Butit'snotjustBeijing.OnMondayinZhejiangProvince，southofShanghai，800milesaway，afactorywas5_________fire，buttheairpollutionwas6_________badthatforthreehoursnoonenoticedthesmokecomingoutofthefactory. TooursurpriseBeijingoratownin ZhejiangProvincecouldn'teven7_________in China'stop10citiesoftheworstairpollution. It'sclearthatairpollutionhasbecomeoneof China'sbiggestproblems.8_________canhurt everyone.Something9_________bedonetodowith thebadair.TheChinesegovernmenthastaken thefirststeptoadmit(承认)thatitisa 10_________Beijingisabletomakeitsairfresher sopeopletherecanbreathealittleeasiersoon.

　　( )1.A.day B.evening C.holiday D.week

　　( )2.A.on B.like C.for D.over

　　( )3.A.clean B.wet C.dry D.dirty

　　( )4.A.touch B.feel C.smell D.sound

　　( )5.A.on B.in C.at D.for

　　( )6.A.such B.too C.very D.so

　　( )7.A.arrive B.reach C.be D.getto

　　( )8.A.One B.It C.Ones D.They

　　( )9.A.may B.will C.would D.must

　　( )10.A.question B.beginning C.problem D.key