文档介绍：(共15分每小题1分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。(  )21.—etoChina?—   (  )22.—Haveyoucleanedyourroom_____?—Yes,I’,already ,yet        ,yet  ,already(  )23.—Whatareyoureadingabout?—It’sabouttheone-       (  )24.—_____you_____yourhomeworkyet?  —Yes,,do,finished    ,done,,done,finished    ,do,finish(  )’    (  )        (  )27.—Canyouwritethenumbereighty-fivethousand,sixhundredandtwenty-six?—Yes,,626  ,620 ,662   ,626(  )’sone-      (  )29.—Davidhasmadegreatprogressrecently.—_____,,soyouhave   ,,sohaveyou   ,soyouhave(  )30.—Whichcountryhasthe_____populationintheworld?—       (  )paredwithlastyear,ourpay_____about￥         (  )32.—Itseems_____youliketoworkwithchildren.—Yes,         (  ),is ,,is ,are(  )’,keeping      ,keeping   ,keep          ,keep(  )35.—Intheolddays,mostteenagershadtoworkforthelandlord(地主)inthefieldtohelp_____theirfamilies,becausetheirfamiliescouldn’t_____educationforthem.—Whatapity!,supply ,,afford ,giveIV完形填空(共15分,)阅读下面短文,从短文后所给各题的四个选项(