A 16-year-old male student had been infected with bird flu in Hunan province , the fourth case of human bird flu found in China.
Reforming the education system will be a long and difficult ___. In this course, people should make effort to throw the old one.
The manager demanded that all the work ___ ahead of time.
___ be scolded by the teacher, he had to make up an excuse.
—How about the performance? —Wondeful.Well, you know, this performance is being held to raise money for the social ___.
Not having visited the place, the girl is ___ to travel to it.