Each day, the Gates foundation  12   about 140 requests for money or help. Until now, the foundation has focused on education, global health and Seattle-area initiatives. But it may soon   13   water, sanitation and hygiene for the poor. Bill   14   he will continue to increase the   15   of time he devotes to the foundation.

There is a real risk that billions of dollars from the Gateses will not be nearly enough to  16   the decline in health in poor countries. There is an equally great risk that they will   17   billions of dollars trying. They invest not in one malaria treatment, for example,   18    in many. After they were criticized for investing too   19   in new inventions, they put more money into   20   fixes that already exist.

1.         [A] interest                         [B]delight                     [C]indulge                    [D]highlight

2.         [A] captivated                     [B]captured               [C]carried                    [D]calculated

3.         [A] in                              [B]at                        [C]by                        [D]through

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