用括号中所给词的适当形式填空
1. John sometimes __________(watch) TV three or four times a week.
2. I want to eat __________(much) apples than Jim does.
3. Maria knew little Chinese, so she asked me __________(translate) the sentence into English.
4. -What's your favorite program?
-I'm not sure. I hardly ever __________(watch) TV because I have a lot of homework to do.
5. I had a headache, and my mother advised me __________(see) a doctor.
6. -How many __________(tooth) does the baby have now?
-Five.
7. Lucy is good at __________(sing).
8. __________(watch) TV too much is bad for our eyes.
9. Never __________(play) on the street. It's too dangerous.
10. Everyone in the world should keep the __________(balanced) of the nature.