问题
填空题
用适当的介词填空，如不需填则画“／” 。
1. Her birthday party is _______ June 30th.
2. I didn't finish my homework_______ 10 0'clock.
3. There is a bridge_______ the river.
4. I get to school _______ the school bus.
答案
1. on 2. at/until 3. over 4. on