—Do you think he will do me a favor?—As far as I know he is the last one to help others.He

问题补充：

—Do you think he will do me a favor?

—As far as I know，he is the last one to help others.Hebe prepared to give you a hand，though.

A. must

B. might

C. can

D. should

答案：

A. must

(答案→)B. might

C. can

D. should

解析：考查情态动词。might表示没有把握的推测。