Unit21.photo(复数)photos2.photo(同义词)picture3.different(反义词)some4.diffrent(名词)difference5.right正确的(反义词)wrong6.right右边的(反义词)left7.beach(复数)beaches8.walk(同义短语)onfoot9.foot(复数)feet10.tooth(复数)teeth11.theU.S(原形)theUnitedstates(同义词)US(同义词)America12.TheU.K.(原形)theUnitedKingdom(同义词)Britain(同义词)England13.Too(同义词)also14.kangaroo(复数)kangaroos15.fall(同义词)waterfall16.county(复数)countries17.leaf(复数)leaves18.city(复数)cities19.they(宾格)them20.no(同音词)know21.speak(单三)speaks22.star(复数)stars23.outside(反义词)inside24.teach(名词)teacher25.old(反义词)youngknowabout知道,了解amapof...的地图thecapitalcityof...的首都aflagof...国旗thepresidentof...的总统famousplaces名胜古迹Tian’anmenSquare天安门广场thePalaceMuseum故宫theGreatWall长城TheCNTower西恩塔(加拿大)Niagarafalls尼亚加拉瀑布(加拿大)theWhiteHouse白宫(美国)theStatueofLiberty自由女神像(美国)BigBen大本钟(英国)BuckinghamPalace白金汉宫(英国)inAustralia在澳大利亚inChina在中国inCanada在加拿大inEnglish用英语wanttodosth.想要做某事liketodosth.喜欢做某事havetea喝茶AtthePalace在宫殿Atthepalace在宫殿Nextto与...相邻,挨着...Goto去...Familyphoto家庭照gotothebeach去海滩intheU.K.=inBritain=inEngland在英国intheU.S.=inUSA=inAmerica在美国howmany多少