阶梯作业 英语 九年级PDF电子书下载

Unit 1 How do you study for a test? 1

Unit 2 I used to be afraid of the dark 11

Unit 3 Teenagers should be allowed to choose their own clothes 21

Unit 4 What would you do? 31

Unit 5 It must belong to Carla 41

Unit 6 I like music that I can dance to 51

Unit 7 Where would you like to visit? 61

Unit 8 I'll help clean up the city parks 71

Unit 9 When was it invented? 81

Unit 10 By the time I got outside,the bus had already left 91

Unit 11 Could you please tell me where the restrooms are? 101

Unit 12 You're supposed to shake hands 110

Unit 13 Rainy days make me sad 119

Unit 14 Have you packed yet? 129

Unit 15 We're trying to save the manatees! 139

Reference key 149