Read and write "Help Grandpa cross the street"

One afternoon, on their way to school, Xiaohong and Xiaoming saw an old man crossing the road with heavy things. They hurried over and took grandpa's hand and said to him, ". Grandpa, let's help you cross the street! " Grandpa said, "OK, thank you." Later, Xiaohong saw the green light, and now there is no car on the road, so she said, "Let's go while there is no car!" " "Then, when they were ready to leave, Xiao Ming saw grandpa walking slowly with heavy things. He said," Grandpa, let me help you with your things! ""Then, he took grandpa's things and took grandpa's hand, and the three of them crossed the road happily together.