问题
选择题
Why not _______your best _______ people in need?
A．to try; to help
B．try; help
C．try; helping
D．try; to help
答案
答案：D
考查固定搭配。Why not =" why" don’t you“为什么不......呢？”，后加动词原形，排除A；“尽最大努力做某事”try one’s best to do sth.,pc B、C；故选D。