6. Boys, don’t touch the machines, or you may hurt _______.

5. ______ of the twins are in our class.

4. We were all very tired, but _______ of us would like to have a rest.

3. Let’s go and have a drink. We’ve got _______ time before the train leaves.

2. Students are usually interested in sports. Some like running; some like swimming; _______ like ball games.

1. The old man has two sons. One is a worker, _______ is a teacher.

10. Did you enjoy _______ (you), Mary and Kate?

9. Sam is my brother. Do you like to play with ______ (he)?

8. ---My watch keeps good time. What about _______(you)?

　 ---Mine? Oh, two minutes slow.

7. Mary’s answer is different from ________ ( I ).