前言 Useful Expressions1 Unit 1Welcome to L.A.! 4 Unit 2Lets go rollerblading. 15 Unit 3Can you sing and dance?26 Unit 4A sandwich and some coffee?35 Unit 5Dont eat it all!42 Unit 6You dont look well.51 Unit 7Im going to call her.61 Unit 8Great movie!71 Unit 9Wheres the Walk of Fame?82 Unit 10They want a taller model.93 Unit 11We should take a vacation.103 Unit 12Casey! Watch out!114 Unit 13I made my reservation two weeks ago.124 Unit 14Im worried about my future.135 Unit 15Youre doing beautifully!147 Appendix ⅠVocabulary157 Appendix ⅡReference Keys177 参考文献216