“Will another fifty be enough?” “Just twenty will ______.”
| A．work | B．do |
| C．suit | D．fit |
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．itB them C．some D．one
Is ________ man’s ability to reason that sets him apart from other animals?
| A．one | B．this | C．it | D． / |