B. Choose the best answer according to the sentence you hear ( 听句子，选答语，每个句子读两遍。)

6. F: I can’t find my watch. Is it in your room?

7. F: Could you please take out the trash, Tom?

8. F: Wow! You look very nice in this green dress.

9. F: This kind of house makes people comfortable to live in. What’s it made of?

10. F: The telephone is playing an important role in our daily life. When was it invented?