It is no use _________ to persuade him ________ smoking because he has been addicted to it since he was young.
| A．trying, to quit | B．to try, to quit | C．to try, quit | D．trying, quit |
He didn’t make clear when and where the meeting would be held.
| A．this |
| B．that |
| C．it |
| D．these |
一When did you learn the news that Obama made a trip to Canada as President?一 was on my return．
| A．That |
| B．It |
| C．There |
| D．This |
--- How long will you be staying? .
--- I don’t know. .
| A．That’s OK |
| B．Never mind |
| C．It depends |
| D．It doesn’t matter |
---Do you have New Concept English Ⅵ in your shop?
---Yes, but no more than one copy. Would you like to take ______?
A．it
B them
C．some
D．one
In the west, people make _______ a rule to send Christmas present to their relatives and friends.
| A．this |
| B．that |
| C．it |
| D．the following |