The United States of America___one of the most developed countries in the world.
| A．is | B．are | C．was | D．were |
At the railway station, the mother waved goodbye to her daughter until the train was ________.
| A．out of sight |
| B．out of reach |
| C．out of order |
| D．out of place |
—When does your plane take off?
—At 3:00 p.m. tomorrow. I’ve just called the airport to ________ it.
| A．confirm |
| B．argue |
| C．organize |
| D．intend |
The new teacher made a good ________ on the students by her rich knowledge and humorous talk.
| A．feeling |
| B．effect |
| C．impression |
| D．ense |
—How much do you know about the 3D film technology?
—A little. Not until _______ the hot movie Avatar _______ some about it.
| A．did I see; did I begin to learn |
| B．I saw; I began to learn |
| C．I saw; did I begin to learn |
| D．did I see; I began to to learn |
To enjoy the scenery, Bob would spend a long time on the train ________ travel by air.
| A．other than |
| B．apart from |
| C．except for |
| D．rather than |