用所给单词的正确形式填空。

1. Oh, look at the baby. She has two _____ (tooth).

2. Could you give me some _____ (advice) about my English?

3. She thought about _____ (go) to Zhongjiang.

4. They are funny. They often make us _____ (laugh).

5. Jim is good at _____ (play) chess.

6. —What's the matter with you? —I'm too _____ (stress) out.

7. If you want to be healthy, you must have good _____ (eat) habits.

8. Which is _____ (nice) , this one or that one?

9. It usually takes him half an hour _____ (walk) to school.

10. It's important _____ (sleep) eight hours a night.

将局域网接入广域网必须使用（）。

A.中继器

B.集线器

C.路由器

D.网桥