她手上提着那个名牌包包应该很贵。

Tā shǒu shàng tízhe nàge míngpái bāobao yīnggāi hěn guì.

The luxury bag she is carrying must be very expensive.

同学在课堂上向老师提出了一些问题。

Tóngxué zài kètáng shàng xiàng lǎoshī tíchū le yìxiē wèntí.

The classmates asked the teacher some questions in class.

老师提了一个问题，让我们回答。

Lǎoshī tí le yí gè wèntí, ràng wǒmen huídá.

The teacher asked a question for us to answer.