Peter is __________ his brother.

• more old

• older than

• older

My car is __________ than his.

• more modern than

• moderner than

• more moderner

She is __________ her sister.

• taller than

• more tall

• more taller than

These chairs are __________ those over there.

• comfortable than

• comfortabler than

• more comfortable than

Iron is __________ cotton.

• more heavy

• heavier than

• heavy than

Cars are __________ bicycles.

• expensiver than

• more expensive than

• more expensiver than

Strawberries are __________ pears.

• deliciouser than

• more delicious

• more delicious than

An elephant is __________ an ant.

• bigger than

• more big than

• more bigger than

A mouse is __________ a horse.

• smaller than

• more small

• more smaller than

Swimming is __________ roller skating.

• more easy

• more easy than

• easier than