I wonder if your wife will go to the ball. If your wife _____， so _____ mine.

____ ， I will not buy it.

—— Here ____！ Where is Xiao Liu？
----  There ____.

—Are you a volunteer now?
—No, but I _____. I worked for the City Sports Meeting last year.

When     help, one often says, “Thank you”, or “It’s kind of you．”

We were told not to touch the equipment in the laboratory unless ________.

Not until the motorbike looked almost new ______repairing and cleaning it.

Only when the war was over ________ return to their hometowns.

-- I can never afford a new house like that!
--- ________ . The price is too high.

Only through a lot of practice           such skills and experience.