25.—Why not open the windows to let_____cool air in? —I'd rather you didn't_____air in our town is terribly polluted. A.a;The B/;The C./;/ D.the:/
—Mike, the phone is ringing. Do you want me to answer it? —No, sit still. ___________ .
-- Did Peter fix the computer himself? -- He ________, because he doesn't know much about computers.
Last week, only two people came to look at the house, _______ wanted to buy it.
You can only be sure of you have at present; you cannot be sure of something ___ you might get in the future.
The practice of hanging clothes across the street is a common _________ in many parts of the city.