In this conversation, Caillou is surprised because Sarah is greeting him in Chinese.
Why is Caillou surprised ?"Nihao" is a Chinese greeting that means "hello". Caillou is probably not familiar with Chinese, so he is not sure what Sarah is saying.
Caillou and Sarah could then start learning some basic Chinese together. They could learn how to say hello, goodbye, please, thank you, and other common phrases. They could also learn about Chinese culture and history.
Learning Chinese could be a fun and rewarding experience for Caillou. It would help him to learn about another culture and to communicate with people from all over the world.
Find out more on Chinese at https://brainly.com/question/16547050
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