文本：
Lesson 16 Sunday
1. Put on your Sunday best.
2. You're a Sunday driver.
3. I haven't seen her in a month of Sunday.
4. He's a Sunday painter.
5. Save your Sunday punch for the next debate.
6. They happen only when two Sundays meet.
7. I'll go and see you Sunday.
8. He's a Sunday saint and everyday sinner.