What if we don't finish? It's time for work. What should we do?
I don't have an exam tomorrow. I'm going to a concert tonight.
It is suggested that we hold a speech contest.
You could have asked me for help.
It's time for us to study this problem seriously.
She can't play the piano so well if she doesn't keep practicing.
He didn't pay? Pay attention to learning methods; Otherwise, he wouldn't be left behind by others.
He looks as if he had just woken up.
These students are only required to study hard and obey the rules and regulations.
He was very busy yesterday; Otherwise, he will attend our party.