John _____ knowledge of radio just by staying around the radio station.
The country life he was used to ________ greatly since 1992.
The boy ________ on the playground _______ to me that he _______ my coat on the grass.
It was rude ______ you to stare at the foreigner when he passed by just now.
If you ask me, I would say that I won’t mind ______abroad to enrich my knowledge.
Then you usually lie there just ______ the ceiling, thinking about everything that could go wrong.