It is important to protect 再答： 按错！
再答： As we all know , it is important for us to protect environment . Because the environment is more and more bad . So , Liming and his classmate were to participate in the environmental protection yesterday . First of all , they picked up the garbages in the street . In the end , they promoted environmental awareness by riding their bikes in the rodes .
再答： go around 我忘了是什么意思了，所以没写进去！
再答： 这字数可以吗？好像有点少！
