明天的会议在哪里举行？

Míngtiān de huìyì zài nǎlǐ jǔxíng?

Where will tomorrow's meeting be held?

明天早上九点我们有一个重要的会议。

Míngtiān zǎoshang jiǔ diǎn wǒmen yǒu yí gè zhòngyào de huìyì.

We have an important meeting at nine tomorrow morning.

我明天八点有一个会议。

Wǒ míngtiān bā diǎn yǒu yí gè huìyì.

I have a meeting at 8 tomorrow.