By the time a child is five, he _______ hundreds of hours of television.
It is not I but Mr. Green who ____ in charge of the company.
____ much advice I gave him, he did exactly what he wanted to.
After living with his grandparents in the countryside for ten years, the boy returned to the big city ____ his parents worked.
He was impolite to the Custom Officer, ____, of course, made things even worse.
Soon they got to the bank,____stood a big pine tree.