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|Unit 1 What's the matter?|Unit 9 Have you ever been to a museum?|Unit 8 Have you read Treasure Island yet?|Unit 7 what's the highest mountain in the world?|Unit 6 An old man tried to move the mountains.|Unit 5 what were you doing when the rainstorm came?|Unit 4 Why don't you talk to your parents?|Uuit 3 Could you please clean your room?|Unit 2 I 'll help to clean up the city parks?|Unit 10 I 've had this bike for three years.