—Tom, why did you make no reply to me when I called your name in the street just now?—Sorry, Jim. I ________ to my wife on the phone.
It’s necessary for you _____ exercise every day.
—Could you tell me ____? —Sorry, I don’t know.
The Greens _____ China for seven years.
Nobody knew ______.
—Do you like this mobile phone? —Of course, It is ______ designed for office ladies like me?