Dogs are __________ than rabbits.

• intelligent

• intelligenter

• more intelligent

Lucy is __________________ than Ellie.

• older

• oldder

• old

His house is a bit _____________ than a hotel.

• comfortable

• comfortabler

• more comfortable

Everest is ______ mountain in the world

• the highest

• higher

• highest

Who is ______ person in your family?

• older

• oldest

• the oldest

This film is ______ .

• shortest

• the shorter

• the shortest

She’s ______ runner in her school.

• the fastest

• the faster

• fastest

• island

• canon

• mountain

• island

• desert

• cave

• trail

• volcano

• ocean