The man is teaching in our school, but,believe it or not,he __ as a business man for 8 years.
Father ________ for London on business upon my arrival, so I didn’t see him.
The boy’s dream was to have his own laboratory ________ to try out some of his own ideas.
There is a common belief among them ________ rubbish can should be put to good use.
The happy ________ of children playing in the garden disappears, and it is quiet again.
The farmer considered me as his old friend and treated me ________ some good tea.