Unit 1 What's the matter？
Unit 2 I' ll help to clean up the city parks.
Unit 3 Could you please clean your room？
阶段检测一（Units 1~3）
Unit 4 Why don't you talk to your parents？
Unit 5 What were you doing when the rainstorm came？
阶段检测二（Units 4~5）
期中复习一
期中复习二
Unit 6 An old man tried to move the mountains.
Unit 7 What's the highest mountain in the world？
Unit 8 Have you read Treasure Island yet？
阶段检测三（Units 6~8）
Unit 9 Have you ever been to a museum？
Unit 10 I' ve had this bike for three years.
阶段检测四（Units 9~10）
期末复习一
期末复习二