.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.