Goodbye, Mr Carter — my secretary will _____ you to the door.
The number of people invited ____ fifty, but a number of them ____ absent for different reasons.
---When _______for Guangzhou? ---Next Monday evening.
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.