根据短文内容和首字母提示,把所缺单词填写在短文中的横线上 Many students often c l about school. They might feel they have too m 2 work to do sometimes, or think the rules are too s 3 . We must learn how to change these ' problems ' into ' challenges ' . Education is an important part of our d 4 . As young teenagers, it is our d 5 to try our best to deal with each challenge in our education with the h 6 of our teachers.