Although they will have the last two exams tomorrow, none of them try toare reviewsing. Although they have the last two exams tomorrow, none of them are revising.

Most of them are chatting to each other happily, even though two directors have shown up in the classroom and warnhave told them to be quiet. Most of them are chatting to each other happily, even though two directors have shown up in the classroom and have told them to be quiet.

Hence,This is why I hate to teaching them. This is why I hate teaching them.

'Hence' is quite old fashioned.

Teaching them lessons asis like talking with airto a brick wall, which really sucks. Teaching them lessons is like talking to a brick wall, which really sucks.

Trying to teach them is like talking to a brick wall, which really sucks.

Tomorrow will be the last day of my teaching themclasses, I'm so delighted. Tomorrow will be the last day of my classes, I'm so delighted.

Tomorrow will be the last day that I have to teach them, I'm so delighted.