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.