Please stop _____, it ______ in the hospital.
A. smoking, isn’t allowed
B. smoking, allows
C. to smoke, isn’t allowed
D. To smoke, doesn’t allow
America was ___________ by Columbus(哥伦布).
A. invented B. discovered
C. discovering D. inventing
Anna wants to get her ears____________.
A. pierced B. to pierce C. pierce D. piercing
______should be allowed to choose their clothes.
A. Ten-year-olds B. Ten-year-old
C. Ten-years-olds D. Ten-years-old
We can’t find _____________in the house.
A. something strange B. anything strange
C. strange something D. strange anything
If you don’t understand the new words, you can _____in the dictionary.
A. look it up B. look up it
C. look them up D. look up them
