根据句意 ,用所给单词的适当形式填空 .
1. Maria tries __________ (drink) milk every morning.
2. Here are some __________(photo) of my family.
3. Billy goes to the beach with his friends three __________ (time) a month.
4. If you want to keep healthy, you should eat a __________ (balance) diet.
5. __________ (read) in bed or in the sun is bad for your eyes.
6. New Year's Day is very important in some __________ (west) countries.
7. It usually takes me about half an hour __________ (walk) to school.
8. Thanks for your __________ (invite). I'd love to go to your birthday party.
9. Teddy has a __________(healthy) lifestyle than the other students in his class.
10. My proper ways of studying English help me get good __________ (grade) in exams.
对X进行两次独立观察，其结果分别记为