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

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. might

B. must

C. can

D. should

答案：

(答案→)A. might

B. must

C. can

D. should

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