Choose the correct adjective forms in each sentence.

Choose the correct answer.

Maths is as [--|more|most] popular with students as art.

It was the [good|better|best] concert I've ever been to.

The [lucky|luckier|luckiest] you are, the [more|most|--] successful you can become.

This picture is much [more|most|--] expensive than I thought.

Isn't Helen a bit [bad|worse|worst] at dancing than Clare?

Despite you're as [sly|slier|sliest] as a fox, you're a good friend.