答案
1. He must be kidding me.
2. You are at a crucial moment of your life.
3. Can you spare ten minutes?
4. Come on, we are quite late for school.
5. Please have a safe and sound trip.
6. Prices are soaring again.
7. Does anyone claim this umbrella?
8. I'm sorry; I didn't mean to hurt you.
9. Stand back and let the doctor through.
10. There is a sticky spot on the floor.