--Who's the most modest boy in your class?
--Daniel. He never _____in public.
A. gets off B. takes off C. shows off D. turns off
--Can we run across the road now?
--No, we _______.We have to wait until the light turns green.
A. needn't B. mustn't C. couldn't D. shouldn't
It's cold outside. ______your sweater before you go out.
A. Put on B. Turn on C. Put up D. Give up
It usually______ Mum about half an hour to cook supper.
A. pays B. takes C. spends D. costs
--Must I finish my homework now?
--No, you ______. You can go home now.
A. needn't B. mustn't C. shouldn't D. can't
I won't believe that the five-year-old boy can read magazines ______ I test him myself.
A. if B. when C. after D. until
