—You seem to have known Dr. Ken for a long time.—That’s true. ________ he joined our club years ago.
David has a big house, which ____ eight rooms.
This visit will greatly ____ our understanding of your great country.
Peter is really ____; I don’t think I will get ____ working with him in the same office.
House prices keep rising these days. A flat in our city costs ____ now as in 1990.
Make sure that the machine is kept where it is not ____ to children.