When you are tired, ________ in the countryside is a wonderful experience.
A. relaxing B. relaxed
C. relax D. relaxes
—Mom, I will eat less fast food this year, believe me.
—If you make a ________, you must keep it.
A. joke B. noise
C. mistake D. promise
Alice, please turn down the music, I ________ an important phone now.
A. answer B. answered
C. have answered D. am answering
This math problem isn’t so difficult that I can work it out ________.
A. easily B. usefully
C. loudly D. quietly
Don’t ________ the chance when you can catch it, or you will regret.
A. guess B. miss
C. remember D. allow
—Are you clear about the job of a policeman, Ben?
—Yes, to keep people ________ and the society in good order.
A. busy B. safe
C. lucky D. healthy
