L45bdabbdcbcbdbL46acddacbcadca 　　L47dabadaaddcacL48cbcbacbbdabc 　　L49dababccaccaaL50bdaccaadbbcd 　　L51bcdddadcaddbL52bccabdcbacbd 　　L53cdacccdcdaccL54dbdbdbadcbdd 　　L55aabdaacabdabL56caccacabbccc 　　L57abbbbdcdcbdaL58bdaacbdcadbd 　　L59dbdddabadaabL60bacbcbabacad 　　L61baccadcabbddL62addcdccbdadb 　　L63dbaabddacdcaL64ccccbbccabbb 　　L65adbbcaadccbdL66cbaadaabdbba 　　L67daddddbbadddL68bbcdbbbcccaa 　　L69abcbbddaabcdL70dbccdbcacddc 　　L71bdbbccdbbbbaL72acadbaccdbad 　　L73cadacdadaadbL74bdccdcacbcab 　　L75cabdbabbddccL76dbdaabbacbdd 　　L77acabcdddaabaL78acbbcacbabca 　　L79bdccadbadbacL80cbdadcadccdb 　　L81daadbbdcbdbdL82abadccdaacbd 　　L83baccabcbcdabL84ccabdcccdacd 　　L85ddbababdbbdcL86bcabbbdcabbc 　　L87cdcdaccadaadL88cbbccabbcccb 　　L89aadaddadbddbL90bcccabcbaddd 　　L91dbcbcdbbcbcbL92bcdcbabbadca 　　L93cdbacdbbcbcbL94abcbadacdabc 　　L95dabadcdcacdcL96dccbadcdabcb 　　这个是课本的答案都给你吧 　　Lesson25 　　21.BothmysisterandIwentshopping. 　　2.Wenotonlygotverytiredbutveryhungryaswell. 　　3.Itwasthreeo'clockandwecouldnotgetlunchsowehadacupoftea. 　　31c2b3b4a5b6c7d8b9a10a11d12a 　　Lesson46 　　1AarrivedatSydney(1.1);couldaccountforthefact(1.3);accurredtoone(1.4); 　　wasastonishedatwhat(1.5);wassosurprisedatbeing(11.6-7); 　　hadbeenconfinedtothewoodenbox(1.9); 　　B1.with2.to...for3.with4.for5.to6.at7.to8.to 　　9.for10.to...at11.at12.with13.with14.to...for15.for16.for 　　17.with18.for19.at20.with21.to22.with23.at24.to 　　25.with...to26.to...with27.for28.to...to29.for30.to31.for32.to 　　33.to...with34.for35.to36.to37.at38.at39.with40.for 　　21a2c3d4d5a6c7b8c9a10d11c12a 　　Lesson47 　　1C1.willhavefinished2.broke3.were4.could 　　D1.mustn't2.needn't 　　E1.IaskedGeorgewhatthosepeoplewerelookingat. 　　2.Georgeansweredthathedidnotknow.Hethoughtanewroadwasbeingbuiltandthat 　　itwouldbefinishedsoon. 　　3.ItoldGeorgethatallthosepeopleweresillybecausetheywerelookingintoan 　　emptyhole. 　　4.Georgesaidthatsomepiopleenjoy/enjoyedwatchingotherswork. 　　5.Halfanhourpassed.Georgetoldmetohurryupaswehadbeenthereforhalfanhour. 　　Headdedthattherewasnothingtoseeinanemptyhole. 　　6.iansweredthatIdidn'twanttogoyetbecauseitwasveryinteresting. 　　21d2a3b4a5d6a7a8d9d10c11a12c 　　Lesson48 　　1A1.which2.denied3.fetched4.too5.jobs6.One...a...who 　　7.past8.next9.watching10.continually11.remarked12.robbed 　　B(samplesentences) 　　I'msorrytocauseyousuchtrouble. 　　Haveyoueverseensuchbeartifulpicturesbefore? 　　It'ssuchanicedaythatwecan'tstayindoors! 　　I'mfeelingsotiredthatIshallhavetostopwork. 　　C1.Hehadnosoonercomehomethantheyranghimupfromtheoffice. 　　2.Theplanehadnosoonertakenoffthanitreturnedtotheairp