Unit 3 Saying Goodbye New Words pub [ ] n. 酒馆 board [ ] v. 上(船、车、飞机) farewell [ ] n. 离别,告别 *Chicago [ ] n. 芝加哥(美国一大城市)
Unit 4 At the Post Office New Words *London [ ] n. 伦敦 France [ ] n. 法国 international [ ] a. 国际的,世界(性)的 probably [