本作文是关于小学一年级100字的作文，题目为：《我的书包(My Backpack)》，欢迎大家踊跃投稿。
I have a backpack。It is large and it is blue。 It is a birthday gift from my parents。 I love it very much。
It is very "hard-working"， because I keep all my school things in it。 It is very heavy。
It is with all the time during school days。 It is a good friend of mine。