Either the boy or his sister must have dinner here.
The boy is old enough to __________ the difference __________ right and wrong.
CCTV made a __________ broadcast of the close football match.
Though my grandfather is quite old, he is still very __________ and he is enthusiastic about social activities.
After several rounds of competition , the little girl __________ because of her excellent spoken English and quick response.
The shop assistant was fired as she was __________ of cheating customers.