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• 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
• Unit 4 Why don't you talk to your parents
• Unit 5 What were you doing when the rainstorm came
• 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
• Unit 9 Have you ever been to a museum
• Unit 10 I've had this bike for three years