这是王老师给我们的作业。

Zhè shì Wáng lǎoshī gěi wǒmen de zuòyè.

This is the homework that Teacher Wang gave us.

如果你找不到教室，可以先问王同学。

Rúguǒ nǐ zhǎo bù dào jiàoshì, kěyǐ xiān wèn Wáng tóngxué.

If you can’t find the classroom, you can ask classmate Wang first.

你认识那边穿红衣服的王小姐吗？

Nǐ rènshi nàbiān chuān hóng yīfu de Wáng xiǎojiě ma?

Do you know Miss Wang over there wearing red clothes?