---Peter, where did you guys go for the summer vacation?
---We _______ busy with our work for months, so we went to the beach.
| A．were | B．had been | C．have been | D．will be |
—Believe it or not, last month in America I came across the girl whose photo was in the drift bottle I got three years ago.
—Really？That’s the most surprising _______ I’ve ever heard of！
| A．identification | B．coincidence | C．viewpoint | D．procedure |
The U.S. official said North Korea --- and Iran --- should follow in the steps of Libya, which last December said it would work__________ to allow international weapons inspectors to do their work.
| A．unconditionally | B．unwillingly | C．unfortunately | D．uncomfortably |
We have brought in a good grain harvest for three years_________.
| A．on purpose | B．on end | C．on duty | D．on watch |
The security judge was very _________ when she explained that the driving licence was necessary for her work .
| A．reasonable | B．natural | C．ridiculous | D．available |
His brother aims to be __________ of his parents by the time he is twenty.
| A．innocent | B．beneficial | C．invisible | D．independent |