The school shop, _______ customers are mainly students, is closed for the holidays. (2011 .四川)
John _____ knowledge of radio just by staying around the radio station.
In spite of the thunderstorm, the children slept _____ all night.
They did not find _____ to prepare for the worst conditions they might meet.
The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
She is making herself ill with _____ over her son's future.