Staying up late _____ our health. We should go to bed early and get up early.
A. is good for
B. is useful for
C. is harmful to
We should _____ the rubbish when we go travelling.
A. take off B. turn off C. take away
I must ask my father to give up _____ . It’s bad for his health.
A. smoke B. smoking C. to smoke
Columbus ______ America in 1492. But he didn’t explore it.
A. looked for B. found out C. discovered
—Jim, get up right now, _____ you will be late for school.
—OK. Mom.
A. and B. or C. But
There was _____ at my home tonight. We all went out to the cinema.
A. somebody B. everybody C. Nobody
