根据括号里所给的汉语写出英语单词。
1.Try to____ （步行)or ride a bike when you travel a short distance.
2.Chinese people usually eat ____ (月饼) on Mid-autumn Day.
3.It isn't ____ (容易的) to learn English well.
4.Do you want to____ (制作) cards by hand for your teachers on Teachers' Day?
5.Cars pollute the ____ (空气)，so remember: Use your legs
