用适当的连词将两句简单句合并成一个复合句:

1. Mr Green talked to Alice. Alice worked harder.

2. She was late for school. She missed the 6:30 bus.

3. The Englishman was trying hard. The American gave up.

4. The students still had their sports meeting. It was raining.

5. You are able to book three tickets. I shall go to the show with you.

6. They have known each other. They began to work in that factory.

7. I saw your uncle. I was walking in the street.

8. She tried to work out the problem by herself. She asked for help.

9. I will believe it. I hear it with my own ears.

10. The guard will let you go in. You show him your pass.