I must be punctual for class.

我得准时去上课。

youdao

I have to go now because I must be punctual for class.

我现在不得不走了，因为我得准时去上课。

youdao

I have to go now because I must be punctual for class.

我现在不得不走了，因为我得准时去上课。

youdao