It's an either-or situation.You can watch TV or play games,but you can't do ____.
Of the two cities. I think Chongqing is ______ one.
--- Is Mr black really ill?---_________. He’s in hospital.
The post office is about 1 kilometer __________.
________ he is a child, ______ he knows much about the computer.
I don’t know if Mr Green ________. If he ______, I will let you know.