Unit 4,What can you do,Introduce,Can you sing a song,Words,swim 作动词,意为“游泳,eg: Did I think she could swim? 我真觉得她会游泳么,小练习: I usually_a few laps as warm-up during practices. A. swim B. swims C. swimming,A. 第一人称后跟动词原型,A,Words,wonderful wndfl 作形容词,意为“极好的,了不起的,常用例句: This is a wonderful thing. 这是一件美妙的事情,小练习: He is _(了不起,wonderful,Words,learn l:n 作动词,意为“学,学习,学会,常用例句: Sometimes, you can learn a lot from a single number. 有时,你能从一个数字中得知很多信息,小练习:It your voice as it goes along. A.learn B. learns