Mr. Zheng is such a person that he has donated much money to the schools in his hometown.

问题补充：

Mr. Zheng is such a person that he has donated much money to the schools in his hometown.

A. selfish

B. patient

C. humorous

D. generous

答案：

A. selfish

B. patient

C. humorous

(答案→)D. generous

解析：形容词词义辨析。selfish 自私的 patient 有耐心的 humorous 幽默的generous 慷慨的。根据后面的语境“他已经捐赠了很多钱给家乡的学校。”可知他是一个“慷慨的”人。故选D。