Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
I believe that the 21st century is one ______ China will become one of the most powerful economic countries.
–The new museum of art is an unusual ______.--But it is designed by a very young architect.
It’s natural that a man can hardly ______ a smile when he hears some good news.
We Chinese eat with chopsticks ______ most westerners eat with knives and forks.
–Is that hotel big enough? We have at least 200 guests.--Sure. That’s a hotel which can ______ 300 people.