根据首字母提示及句意填入适当的单词。
1. Knowing how to ask for information p_____ is very important.
2. I have left my ruler at home. Could you l_____ me yours?
3. Don't worry. Please tell me what t_____ you most.
4. "No p_____" the sign says.
5. Please open the window to let the f_____ air into the room.
6. The ground s_____ hard during the earthquake.
7. Using the chopsticks to p_____ at others is too rude.
8. — Would you like to have another apple?
— Thanks, I am f_____.
9. The r_____ is too hard. No one knows the answer.
10. Please make a m_____ where you don't know the answer.
