.-- Who can reach the book on the top shelf? -- Jack can. He is ________boy of us all.
Our company forbids ______, that is to say, we are not allowed ______here.
It was not rare in ______that people in ______fifties went to university for further education.
Yesterday my car suddenly ______on my way to work.
He sent me an e-mail, ______to get further information.
The countryside gives us peace and quiet, which is ___ we can’t enjoy living in the city.