根据音标或中文提示，写出句中所缺单词。

1. Hats are in ___________ /'fAF[n/ again this year.

2. Is the water warm __________ /i'nQf/ for you?

3. David went to school ___________ /wi'eaut/ breakfast yesterday.

4. My mother is in the ___________ /'kitFin/ making a meal.

5. I love listening to country __________ /'mju:zik/ when I'm free.

6. We didn't enjoy the day ___________ (因为) the weather was so bad.

7. Please help me to get some ____________ (信息) about Beijing zoo.

8. When do you usually ___________ (完成) your homework every day?

9. He makes fresh ___________ (果汁) from oranges.

10. She doesn't feel ____________ (舒服的) about her travelling alone.

The book, ____ are true stories about great scientists of the 20^th century, is well worth reading.

A．which

B．what

C．in which

D．of which