---Do you think he will do me a favor?
---As far as I know, he is the last one others. He be prepared to give you a hand, though.
A. to help, might
B. helping, must
C. to help , can
D. helping, should
网友回答
(答案→)A. to help, might
B. helping, must
C. to help , can
D. helping, should
解析：考查不定式用法和情态动词用法。当名词有序数词修饰时可以用不定式修饰。根据前半句话可知他很少帮助别人，可知第二空为might，他可能愿意帮助你。句意：据我所知，他很少帮助别人。然而，他有可能会帮你。