目录 1
Unit 11 Could you please tell me where the restrooms are? 1
Unit 12 You're supposed to shake hands. 7
Unit 13 Rainy days make me sad. 13
期中测试 19
Unit 14 Have you packed yet? 26
Unit 15 We're trying to save the manatees! 33
期末测试 40
综合练习（一） 47
综合练习（二） 54
综合练习（三） 62
部分参考答案 70