从前我们的小区楼道到处都是果皮、纸屑,还飞着由这些垃圾招来的苍蝇。人们走路也十分不方便,有时不小心踩上果皮还会滑倒。春节过后的一天,四楼小明家来了一位老奶奶,她有一张慈祥的脸,总是微笑着。每天的清晨她总是早早起来,沿着 Once upon a time our community corridor was full of peels, paper scraps, but also fly flies brought by these rubbish. People walking is also very inconvenient, sometimes accidentally stepped on the skin will slip. One day after the Spring Festival, Xiao Ming came to an old grandmother on the fourth floor. She had a kind face and always smiled. She always gets up early each morning, along