问题补充:
A small plane crashed into a hillside five miles east of the city, all four people on board.
A. killed
B. to kill
C. kills
D. killing
答案:
A. killed
B. to kill
C. kills
(答案→)D. killing
解析:答案:D考查非谓语动词。句意:一架小型飞机在城东五里的山上坠毁,机上四人全部遇难。此处用现在分词表示顺理成章的结果。