同学们不断地向老师提问。

Tóngxuémen búduàn de xiàng lǎoshī tíwèn.

The students kept asking the teacher questions.

我有一个提问。

Wǒ yǒu yí gè tíwèn.

I have a question.

老师问大家有没有提问。

Lǎoshī wèn dàjiā yǒu méiyǒu tíwèn.

The teacher asked whether anyone had any questions.