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.