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.
以下为对购买帮助不大的评价