一、用适当形式填空:1.Bobis_________(young)thanFredbut___________(tall)thanFred.2.Yingtianisnotas___________(tall)asYongxian.3.Almostallthestudents'facesarethesamebutLiDeminglooks_______(fat)thanbeforeafterthesummerholidays.4.Whichis_________(heavy),ahenorachicken?5.--How_________(tall)isSally?--She's1.55meters________(tall).WhataboutXiaoling?--She'sonly1.40meters________(tall).Sheismuch_______(short)thanSally.Sheisalsothe_______(short)girlintheclass.6.Heis______(bad)atlearningmath.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.7.AnniesaysSallyisthe________(kind)personintheworld.8.Heisoneofthe_________(friendly)peopleintheclass,Ithink.9.Adictionaryismuch_________(expensive)thanastory-book.10.Anorangeisalittle______(big)thananapple,butmuch________(small)thanawatermelon.11.TheChangjiangRiveristhe_______(long)riverinChina.12.Sueisalittle___________(beautiful)thanhersister.13.Myroomisnotas_________(big)asmybrother's.14.--Howdifficultisphysics?--I'mnotsure.--Isit________(difficult)thanmaths?--Idon'tthinkso.15.--Annieplaysthepianovery___________(well).--Sueplaysit_____(well)thanAnnie.AndSallyplaysitthe__________(well).16.Saturdayismy_________(busy)dayinaweek.17.Hermotherisgetting____________(fat)and________(fat).18.Ithinkit'stooexpensive.I'dlikea_____________(cheap)one.19.Hecomestoschoolmuch____________(early)thanI.20.Thisbookisnotas_____________(interesting)asthatone.21.Yourclassroomis__________(wide)and___________(bright)thanours.22.Practiseas__________(much)asyoucan.23.The________(much),the____________(good).24.Nowadays(现在)Englishis__________(important)thananyothersubject,1think.25.Mostofthestudentsthinkalionismuch________(dangerous)thanabearanditisthe__________(dangerous)animalintheworld.Keys:1.younger,taller2.tall3.fatter4.heavier5.tall,tall,tall,shorter6.bad,worse,worst7.kindest8.mostfriendly9.moreexpensive10.bigger,smaller11.longest12.morebeautiful13.big14.moredifficult15.well,better,best16.busiest17.fatter,fatter18.cheaper19.earlier20.interesting21.widerbrighter22.much23.more,better24.moreimportant25.moredangerous,mostdangerous.