Unit 2used to<>过去一直be interested in<>对……有兴趣airplane<>飞机terrify<>使恐怖be terrified of<>被惊吓go to sleep<>去睡觉on<>在insect<>昆虫candy<>糖果chew<>咀嚼gum<>树胶chat<>闲谈daily<>每日的comic<>连环图画death<>死亡afford<>负担cause<>因素himself<>他自己patient<>病人in the end<>后decision<>决定make a decision<>作决定head teacher<>校长necessary<>必需品to one's surprise<>使...感到震惊exactly<>完全地even though<>即使no longer<>不再take pride in<>参加attention<>注意pay attention to<>注意give up<>放弃waste<>浪费not...any more<>不再Murray<>人名