Nowadays teachers tend to be more dependent on ________ is thought to be a great teaching aid—the computer.
Berners-Lee ________ the idea of the World Wide Web in 1989 while working in Switzerland.
— Mr White has been working all the morning with no rest.— He is a(n) ________ man. He never looks tired.
Tom made _____ great progress last semester and as _____ result, he was praised by the teacher.
There are many ______ TV programs about the Beijing Olympic Games. You can choose any you like and enjoy it.
---Whose advice do you think I should take? --- ________ .