________ your letter, I would have set off two days ago.
| A．If I could have received |
| B．Should I receive |
| C．If I received |
| D．Had I received |
The red flag looks extremely beautiful _____ the blue sky and white clouds.
| A．through | B．across | C．beyond | D．against |
---You’re not angry then?
---_____. I’ve never laughed so much in my life.
| A．You’re joking | B．You’ve made it. | C．Far from it. | D．That’s all right. |
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 |