My friend , who ___on the International Olympic Committee all his life, is retiring next month.A served B.is serving C.had served D.has served
Would any one of you please tell me ______ to the railway station?
The reason for his success is ______ he worked very hard.
______ anyone should want to kill her was unbelievable.
The government has to close those small factories to prevent the water of the river ______.
He wants to see changes in the company and I am sure he will, ______.