9. The car           his father bought last month is very expensive.

8. We didn't know      to say to each other when we first met.

7. Jenny has three dresses. She is thinking about      to wear today.

6. David is the boy       won the 100-meter race yesterday.

5. Children enjoy reading books       have pictures in them.

4. The question      he asked me was difficult to answer.

3. He wants to buy a house      has four bedrooms and a kitchen.

2. I don't know         to make the baby stop crying.

 填入适当的连接词，完成下列句子。

1. The man       is in a red shirt is our English teacher.

10. We drink milk every morning.

Milk                 by us every morning.