问题补充:
They decided for the children in Yunnan earthquake area.
A. do something
B. to do something
C. doing anything
D. done anything
答案:
A. do something
(答案→)B. to do something
C. doing anything
D. done anything
解析:B 考查固定搭配。“决定做某事”decide to do sth.故选B。