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Topic1WhatcanIdoforyou?madamovertheretryonHowmuch...?buyhundredWordspreviewn.夫人，女士在那边试穿……多少钱？v.买num.百justjustpai...
Unit4Topic2SectionAwhatarethese?Howmanyapplesarethere?Wouldyoulikesomeapples?Howmucharethey?Guess!Howdoyoulikethiscap?Howmuchisit?...
21twenty-one20twentytwenty-onetwenty-twotwenty-threelearnthenumbers21-29twenty-sixtwenty-fourtwenty-fivelearnthenumbers21-29twenty...
Unit1MakingNewFriendsTopic3Howoldareyou?SectionAWhoishe?MichaelPhelpsHeisMichaelPhelps.Whereishefrom?HeisfromtheUSA.Whenyouneedhel...
