问题补充：
With coal and oil , what long-term effects of global warming on humans will be?
A. run out of
B. are using up
C. run out
D. running out of
答案：
(答案→)A. run out of
B. are using up
C. run out
D. running out of
解析：考查with的复合结构。with + n + doing /done/ to do,选择哪个非谓语动词的形式，要看动词和所修饰的名词之间的关系，即看coal and oil 与run out of 之间的关系，二者之间是被动关系，所以用run out of（run的过去分词）,正确答案为A。而与run out之间是主动关系，所以选C应该用running out，选D把of去掉，选B用used up，因为和use up之间是被动关系。
