七 从方框中选择合适的介词，补全句子。（将序号填在括号内）
A. on B. for C. in D. with E. at
（）1. I often go to bed 9 o'clock in the evening.
（）2. What do you often do Sundays?
（）3. On Mid-Autumn Festival, we usually eat mooncakes our family.
（）4. My birthday is September. What about you?
（）5. I will sing the birthday song my mother.

1. E 2. A 3. D 4. C 5. B

八 用所给单词的恰当形式填空。
1. （class）start at 3 o'clock.
2. I often go （shop）with my mother on Sunday.
3. I can （swim）in the swimming pool in summer.
4. This bag is （her）.
5. These books are （our）.
6. The pen is （John）.
7. The （eight）month of the year is August.
8. Look. They are （pick）apples in the farm.
9. They are （play）with each other.
10. Do you see （some）elephants?
11. Doing morning （exercise）is good for us.
12. （Tom）birthday is on October 10th.
13. When is （Teacher）Day?
14. I can take （he）to the park.
15. Oliver really （like）winter.

1. Classes 2. shopping
3. swim 4. hers
5. ours 6. John's
7. eighth 8. picking
9. playing 10. any
11. exercises 12. Tom's
13. Teachers' 14. him
15. likes