28．He spent much of the evening with Robert Green,____he had hardly seen in the thirty years since they had worked together at CBS

The folks were delighted at the message oftheir relatives _______ that mine explosion.

They discussed the issue of the world’sclimate in Durban, South Africa several times but could come to no ________.

So hard did he work that he __________made himself ill for a whole week

His contribution to the boy’s welfare was to________him for the world in which he would live.