—The spacecraft has never been to the moon, ________ ?
—Certainly.
| A．has it | B．hasn’t it | C．doesn’t it | D．isn’t it |
．Many in the credit industry expect that credit cards will eventually ________ paper money for almost every purchase.
A.exchange B.decrease C. trade D replace
The writer was so _______ in her work that she didn’t notice him enter the room.
| A．abandoned | B．focused |
| C．absorbed | D．centered |
This research has attracted wide _______ coverage and has featured on BBC television’s Tomorrow’s World.
| A．message | B．information | C．media | D．data |
A report by the Chinese Academy of Social Science said _______ among new grraduates grew to over 12 percent last year at 1.5 million because of the global economic crisis.
| A．disagreement | B．enlargement | C．unemployment | D．encouragement |
．— Could you put off the meeting ?
— ______. This is the only day everyone is available.
| A．No problem | B．Not really | C．It depends | D．It’s up to you |