______ all of them are strong candidates, only one will be chosen for the post.
| A．Since |
| B．While |
| C．If |
| D．As |
—Does_____please you to give gifts to others?
—Sure．
| A．it | B．that | C．one | D．he |
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 Ⅵin your shop?
---Yes, but no more than one copy. Would you like to take ______?
A．it B them C．some D．one