To make rivers than before, everybody is supposed to protect them.
A.dirty B.dirtier C.clean D.cleaner
Just be ______; you can’t lose your weight in a day.
A. careful B. patient C. honest D. brave
You need not only talent but also hard work to become a _________ football player.
A.young B.successful C.happy D.friendly
The flying squirrel might be one of __________ animals you could meet during the trip.
A.strange B.stranger C.strangest D.the strangest
The police are watching the suspect _____ for more clues which will help solve the case.
A. clearly B. highly C. closely D. heavily
Peter spoke so ______ that I could hardly hear him.
A.loudly B.quietly C.clearly D.patiently
