Question

【题目】用介词on或at补全短语。

1. ____________ Teachers’ Day

2. ____________ Chinese New Year

3. ____________ ten o’clock

4. ____________ the first day of this week

5. ____________ Chinese New Year’s Eve

6. ____________ the Spring Festival

Answer 1

【答案】1. on 2. at 3. at

4. on 5. on 6. at

【解析】略