Unit 1 How can we become good learners? 单元词句回顾 Unit2 I think thatmooncakes are delicious! 单元词句回顾 Unit 3 Could you please tell me where the restrooms are? 单元词句回顾 Unit 4 I used to be afraid of the dark. 单元词句回顾 Unit 5 What are the shirts made of? 单元词句回顾 Unit 6 When was it invented? 单元词句回顾 Unit 7 Teenagers should be allowed to choose their own clothes. 单元词句回顾 Unit 8 It must belong to Carla. 单元词句回顾