Comparison of Adjectives and Adverbs

This is Kevin. He is my ____________(old) brother.

Ann is ______________(good) tennis player I've ever seen!

He runs so slowly! And she does it even ______________ (slowly).

I hate writing messages! I prefer calling people. It is _________(easy).

London is _____________(big) than Manchester.

Alex plays chess very well, but I play ______________ (well).

Jack is ______________(tall) boy in class.

It was __________ (difficult) day of my life.

The cheetah is __________ (fast) animal in the world.

This is a very bad mistake, but this one is ___________ (bad).