第一部分：請依上、下文意，填入適當介詞 at, on, in，以完成句子；不需填介詞者，打 X。

1. They always watch TV 　　　　 night.

2. He bought a bicycle 　　　　 2006.

3. Mom: What time is it? Tom: It's 　　　　 five o'clock.

4. Tom usually goes to the church 　　　　 Sunday morning.

5. There are a lot of flowers in the park 　　　　 spring.

6. Mary has a test 　　　　 the morning of December 2.

7. She went to a summer camp 　　　　 July.

8. Lisa: What's the date today?
Mike: It's 　　　　 January 1.

9. We usually have lunch 　　　　 noon.

10. I have a PE class　　　　 every Thursday.

11. Cindy often goes to school 　　　　 seven twenty.

12. Jack has a math class 　　　　 Wednesdays.

13. Sue: What day is today?
Wendy: It's 　　　　 Wednesday.

14. Father's day is 　　　　 August 8.

15. John never has breakfast 　　　　 the morning.

第二部分： 綜合式練習。 請依Andy暑假的週行事曆，填入適當介詞完成短文；不需填介詞者，打 X。

　
Andy is very busy （１） this summer. He really has seven days （2） a week. He usually has classes （3） the mornings, and has a piano lesson （4） Tuesday mornings. It's really hot （5） summer. Andy usually goes swimming （6） four o'clock （7） the afternoons. （8） Saturday nights, he goes to the movies. He plays basketball （9） weekends. （10） Sundays, he watches TV （11） night. He is happy （12） every day.