根据以下提示写一篇120个词的英语作文.一个小孩骑着一辆自行车,他的爸爸妈妈爷爷奶奶背着急救箱担心的在

There is a picture ,which shows that a boy was riding a bike ,and his parents and grandparents were being with him ,what's more ,they were bringing a first aid box.when I saw this picture ,what I thin...