The teacher gave the books to all the students except       who had already taken them.

I've had a cookie，but you'd better give me________．I want to taste again.

Remember everybody you meet online is a stranger. So when you can’t see a person, they could be _________.

It was hard for him to fit in a new class, in which ______ he was familiar with.

The news _____ the football team won the game made us happy.