Unit 1 Could you please clean your room? Unit 2 Why don't you talk to your parents? Unit 3 What were you doing when the rainstorm came? Unit 4 An old man tried to move the mountains Unit 5 What's the highest mountain in the world? Unit 6 Have you read Treasure Island yet? Unit 7 Have you ever been to a museum? Unit 8 I've had this bike for three years. 課文注釋 錄音原文 英語(yǔ)語(yǔ)法 單詞表