根据句意用括号内所给词的正确形式填空: 1. My parents often

问题：

根据句意用括号内所给词的正确形式填空:

1. My parents often tell me to listen to the teacher_______ (careful).

2. Every year, many_______ (visit) come to China to climb the Great Wall.

3. My brother is old enough to take care of _______ (he).

4. What's your _______ (weigh), Kate?  Oh, it's a secret.

5. People can't live _______ (with) air or water.