What wonderful world it would be if all countries in the world could live peace with one another.
At the railway station, the mother waved goodbye to her daughter until the train was ________.
—When does your plane take off?—At 3:00 p.m. tomorrow. I’ve just called the airport to ________ it.
The new teacher made a good ________ on the students by her rich knowledge and humorous talk.
—How much do you know about the 3D film technology?—A little. Not until _______ the hot movie Avatar _______ some about it.
To enjoy the scenery, Bob would spend a long time on the train ________ travel by air.