急求一篇关于扶老奶奶过马路的英语作文（5句话左右）谢谢啊!

I was walking along the street when I found a grandma stood at the traffic light who wanted to cross the street。 She was too old to cross alone, so I went up to support her。 She was so glad that she thanked me again and again。 I replied " It's my pleasure。"Helping others also makes me happy。