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
The old man has two sons,________is a soldier.
------What about going out for a walk after supper?-------______. Walking after meals is good for health.
Some of the wolves there _____ the fur.
In many countries, packets of cigarettes come with a government health warning ______ them.
We had to be patient because it ______ some time ______ we got the full results.