根据首字母提示及句意填入适当的单词。
1. I l_____ an English-Chinese dictionary to Jim, but he didn't return it to me.
2. You must h_____ in your homework on time or the teacher may be angry.
3. The Yellow River is the second l_____ river in China.
4. The boy is not old enough to d_____ himself.
5. What a wonderful m_____ Liu Qian performed!
6. I w_____ what you were doing just now.
7. F_____ vegetables and fruits are good for your health.
8. Be careful! Everyone should obey the r_____.
9. Don't p_____ your cars here, look at the sign.
10. The hurt leg t_____ Liu Xiang a lot last year.
