Ⅰ. 根据句意及首字母提示完成单词(5分)
1. Beijing is in the n______ of China.
2. In China, bikes and buses are the most p______ means of the transportation.
3. Tom was i______ yesterday, so he didn’t go to school.
4. Going to school on foot is much more f______ than taking a bus.
5. You don’t need to w______ about me. I’m old enough to look after myself.
