The air pollution of the city ____ by 20 percent thanks to the strict measures taken by the government.
More than one child _____to the cave to see the strange animal.
To improve your spoken English, you’d better listen to the tape ______.
A great many new ideas _____at this education conference to improve the students’ study.
—Could you tell me ________ the Bamboo Garden? —The day after tomorrow, I think.
The train for the city at ten, so you have enough time to make preparations.