Comparative and superlative

Don is the ......... guy I know!

You have to be ......... careful when working with power tools.

Thomas is ......... than his girlfriend.

"My Dad is the ......... man in the world," said five-year-old, Brady.

That is the biggest fish ......... the sea.

This is the happiest moment ......... my life.

He is the strongest player ......... the team.

I think rain forests are the most important regions ......... Earth. Humans would die without them because they create so much of the oxygen we breathe.

You have to be ..... careful when working with power tools.

This subject is ..... than the last one we studied.