字母练习 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 lsland yet? Unit 9 Have you ever been to a museum? Unit 10 I’Ve had this bike for three years.
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