Unit 5 Topic 1 You look excited【重点词组】1. invite sb. to do sth.邀请某人做某事2.one of +形容词最高级+ 名词复数3. say thanks/hello/sorry/good-bye to sb.向某人致谢/问好/道歉/告别4. feel/taste/smell/look/sound/seem +adj.5. seem to do sth.seem+adj. it seems that+从句7. a ticket for/to sth.一张的票8. lonely adj.孤独的alone adj./adv.独自的，一个人的9. because of+n./pron/v-ing10. cheer sb. up使某人振作起来11. care for =take care of = look after照顾12. come into being 形成，产生13. be full of = be filled with充满
