The children laughed and made sentences.

The answer to children's laughing sentences is as follows:

1, I couldn't help laughing when I heard the toy in my son's hand laughing.

I couldn't help laughing when I saw the cute little dog running over.

The little girl smiled as soon as she saw that her favorite toy was bought back by her father.

Hearing the teacher joke that "the students who failed in the exam today will stay as my assistant", the whole class laughed.

When friends are together, they always laugh unconsciously, which is a way to communicate with each other through laughter.

People in this small town are very hospitable. Every time I travel here, I can always hear people laughing and welcoming me warmly.

7. I couldn't help laughing when I saw the birds flying and singing happily outside the window.

8. When I run, I breathe fresh air and laugh, which makes me feel very comfortable.

9. At parties, friends share interesting things in life, and you can always hear people laughing and laughing.

10, children will laugh happily when they see snowflakes flying in winter, which is pure and innocent happiness.

1 1. Mom cooked a good dish today, and my father and I had a good laugh.

12, during the break, Xiaoming told a joke, which made everyone laugh.

13, Peggy Piggy and her friends had a good time and had a wonderful afternoon with a smile.

14. At my birthday party, everyone had a good time, and there were bursts of laughter from time to time.

15. When my brother saw his mother bring back a new toy, he clapped his hands with laughter.

16. On rainy days, Xiao Ming and his mother wore raincoats and smiled happily.

17, my father came back at the weekend and brought me many delicious snacks. I laughed and jumped on his knee.

18, Xiaohong's teacher gave her a certificate today, and Xiaohong ran to the podium with a smile.

19, the little monkey jumps around the tree and laughs and plays with other small animals.

20. When my sister saw the snow for the first time, she rolled around in the snow with laughter.

2 1. Today is Xiaoming's birthday. His friends sang birthday songs for him, and Xiao Ming blew out the candles with a smile.

22. When class was over, Xiaohua found a beautiful butterfly on the ground. He smiled and showed it to everyone.