---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

科目 英语   题型 单选题   难度 中等

知识点： 情态动词 谓语