Unit 1 The king’s new clothes Unit 1单元测试卷答案 Unit 2 What a day! Unit 2单元测试卷答案 Unit 3 Holiday fun Unit 3单元测试卷答案 Unit 4 Then and now Unit 4单元测试卷答案 Project 1 A holiday album 期中学业水平检测答案 Unit 5 Signs Unit 5 单元测试卷 Unit 6 Keep our city clean Unit 6单元测试卷 Unit 7 Protect the Earth Unit 7单元测试卷 Unit 8 Chinese New Year Unit 8单元测试卷 Project 2 Reuse & recycle 期末学业水平检测