Unit 2I wore warm clothes.play--playedwatch--watchedlisten--listenedhelp--helpedgo--wentwear--worefall--felllearn--learnt____________________wentwore felllearntsawateboughtoverice-skatingclothesto skatelots of mountainsbiscuitsa present前进wore clotheswent ice-skating learnt to skatefell oversaw lots of mountainsate biscuitsbought a presentmemorywore clothessaw lots of mountainsate biscuitsbought a presentwent ice-skating learnt to skatefell oversaw lots of mountainsbought a presentfell overwent ice-skating learnt to skatewore clothesate biscuitswent, wore, fell, learntunderline: