6060sarsduring

    athe1990sbthe1990c1990sd1990s

    28数词练习

    11rtyrshaveheroicallylaiddoheirlivesforthepeople

    athousanduponthousandofbthousandandthousandsof

    cthousandsuponthousandsofdthousandandthousandof

    22theyres

    adozenbdozenanddozencsreddozens

    33an,inthefrontrow

    aonebtheonecfirstdthefirst

    44hisyearaswedidin1993

    aaschttontuchtton

    cchastuchtton

    55theearthisaboutastheon

    aasfiftytibigbfiftytisasbigcasbigfiftytidfiftyastisbig

    66thepopulationofnyalaskancitieshasinthepastthreeyears

    arethandoubledbredoubledthanuchdoubledthan

    77theonisaboutindiaterasdiaterastheearth

    aohreeaslargebohreeaslargecohirdaslargedohirdaslarge

    88fivehundredyuananthenoughtoliveon

    aisbarecisbeingdhasbeen

    99ofthebuildingswereruined

    athreefourthbthreefourcthreefourthsdthreefour

    1010nsultforquestionsaboutearthquakes

    athesixindexbindexsixcsixthindexdindexnueringsix

    1111shetotheuntryside

    aaintheingatnineonjunefirst,1968bonjunefirst,1968intheingatnine

    bbatnineintheingonjunefirst,1968donjunefirst,1968atnineintheing

    1212threefourthsofthesurfaceoftheearthveredher

    aarebiscweredbe

    1313thisnththeproductionofstainlesssteelinoursteelons

    aahbincondby

    1414iniaturizationofthestructuralponentstheoftheseelectricdeviceshasdecreased30percent

    aasbhcindby

    1515theolyicgasareheld

    aaeveryfouryearsbeveryfouryearceveryfourthyearsdeveryfouryears

    1616asheisnotingoodhealth,hegoestohisfaethingabouttheprogressofexperint

    aaonceaeaweekdoneaweek

    1717threestudentsinthisuniversityefrohesouth

    aoftenboutofintencoutoftendintens

    1818stringsofthesathicknessdeofnylonare

    aafivetisstrongerthanthosebfivetistrongerthanthose

    bbfivetisstrongthanthosedfivetisstrongerasthose

    19theodecar

    aathesizeofbthesizeof

    2020onedayontheonis

    aathhweekslong

    bbthhh

    附：限定词练习

    11hande

    aasobnycsuchdany

    22there