You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family

Michael has changed beyond recognition.—_______! How did he manage to lose so much weight?[ ]

If you _______ careful enough, you may hurt yourself.——Thanks. I’ll be as _______as I can

We must do something to _____ the factories sending outpoisonous gases so as to keep the city_____.[ ]

If you want people to treat you nicely, you have totreat nicely, too.