Grammar - Superlatives (Advanced)

My dad is                           dad in the world.(funny)

Whales are                           animals in the world.(heavy)

Mice are                           animal in the world.(cute)

My bedroom is                            room in my house.(comfortable)

I am                             cook in the world.(bad)

For English people, Japanese is                           language to learn.(difficult)

That was                               film I’ve seen.(sad)

My sister is                           person I know.(tidy)

My grandmother is                               person in my family.(old)

That was                           book I’ve ever read.(strange)