It’s strange that the building has no floor. — Don’t you know that is an unlucky number in the Western countries

______ he was at home, I would have phoned him then.

Which team are you going to play _______ the day after tomorrow—A team from No.7 Middle School. I hope we will win.

It is ten years since we ________each other last time.

Have you finished your work yet—No, not yet. I think it’ll take _____ ten minutes.