____you had worked hard, you would have easily passed the final test.
— My father is away _____ Beijing again. — Really? Is he there on business or on holiday?
He now lives away from his parents and misses them _____ enjoy his exciting life at the university.
It is not J. K. Rowling but her works that _____ us excited.
At first Mr. Sally was ______ of planes, but two years later, ______ to other countries on business is his main business.
After children leave home for university, it’s usually the parents that______ their children, not on the other way round.