We need to come up with a/an________and make a decision at once.
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.