.—___________ is the population of the United States?—I don’t know exactly, but I’m sure that it has __________ population than China.
In April , thousands of holidaymakers remained ______ abroad due to the volcanic ash cloud.
---I am going to Beijing during the coming summer holiday. --- Great ! You ______about our capital well then.
The people in the war area have _______food. They are in a very difficult situation.
A clean environment can help the city bid for the Olympics, which ____ will promote its economic development.
– How do you know he will lend us money? - __________. He’s a generous person.