16. —I’m sorry I made a mistake!

  —______. Nobody is perfect.

A. Take your time       B. You’re right          C. Whatever you say         D. Take it easy

17. Mothers holding jobs outside the home should have _____ schedules to make it easier to care for their children.

A. heavy              B. smooth            C. flexible          D. complex

18. Don’t mention that at the beginning of the story, or it may _____ the shocking ending.

A. give up           B. give out             C. give away           D. give off