从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑.
6. _______medical care and education are the most important matters that _____ most voters present at the conference feel strongly concerned about.
A. the; the B. the; / C. /; the D. /; /
7.A large sum of money has been raised for the ______of the poorly-educated children in the mountainous areas.
A. profit B. favor C. advantage D. benefit
8. —I thought you were proud of the work I ______.
—I’m afraid not. You’d better change it for another.
A. do B. had done C. did D. would
9. To the great disappointment of the poor peasant workers, a great part of their salaries were _____ by the boss for no right reason.
A. kept away B. kept off C. kept back D. kept up
