Question

—The little girl’s bedroom is very clean.
—Yes. It’s much ________ than her ________.

A．clean; brother

B．cleaner; brother

C．clean; brother’s

D．cleaner; brother’s

Answer 1

D

句中有than所以要用比较级，而比较的对象是房间，所以要用名词的所有格形式。故选D。