students supposed to when classes begin in China?

假如你是王坤，你的—位外国笔友Jennifer即将到你家做客，请你以书信的形式简要向她介绍—下当地的餐桌礼仪。

要求：1）语言流畅,谱法规范；2）词数：80~ 100。

In China, people are supposed to when they meet for the first time,

People smoke here.

——我看不见得。

—It will be rainy.

—I .

I singer by my parents,

I supposed Jack finish his homework.