Unit4ThenandnowB.Let’slearn选出你认为不是炸弹的单词读一读。grassgymdininghallwasAmericansmoonlastyearhillagotwentyInternetvisityearsagoonlybuildingstarsmoonlikedtook1969lastmonthknowtaxibusbikerideabikegocycling去骑自行车Cycling,cycling,Icouldgocycling.can原形could过去式Cycling,cycling,Icouldgocycling.Cycling,cycling,Icouldn’tgocycling.could---couldn’tIcouldplay_______.Icouldn’tplay________.badmintonCanyouplaybadminton?Yes,Ican./No,Ican’t.A:B:Canyouice-skate?ice-skate滑冰winterspringautumnsummersummerwinterspringautumnWhichseasondoyoulikebest?Ilike_____best.summerwinterspringautumnWhichseasondoIlikebest?Youlike____best.Ilikewinterbest.Ididn’tlikewinterbefore.before以前Ididn’tlike_______before.mathsnoodlescatswinterWhy?为什么?Ithoughtitwastoocold.think---thought觉得Itwastoocold.Icouldn’t_________.Ilikewinternow.Ilovetoice-skate.1DidWuYifanlikewinterbefore?WhyorWhynot?2Doeshelikewinternow?Howdoyouknow?我会说。AllenDianaJoeBefore,Allencouldn’t_____.Nowhecan_____.Before,Dianacouldn’t____.Nowshecan_____.Before,Joecouldn’t_____.Nowhecan______.选其中一句来说一说。