Babies are not born with ____ moral sense; they can’t tell____difference between right and wrong.
| A．the;the | B．a;a |
| C．a;the | D．/;a |
I have told them withcertainty there’ll be no change of policy.
| A．actual | B．proper | C．direct | D．absolute |
We had hoped that you would be able to visit us, but you.
| A．didn’t | B．hadn’t | C．wouldn’t | D．would not have |
Do you know that a living cell can be for a thousand years if the temperature is right?
| A．spared | B．protected | C．preserved | D．developed. |
Many experts seem to agree that certain limit should be set on consumption of cars to ease air pollution.
| A．a; the | B．/; the | C．the; / | D．the; a |
I have got _______ good news for you．You are to change _______ trains in Changsha and take _______ fast one.
| A．/; /; a | B．a; /; a | C．a; the; the | D．/; the; a |