Do remember to remind her_________the gas before she leaves.
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.
One of the men held the view ____ the book said was right.
The young man went into the cinema and after ____ seemed half an hour he came out.