“ I ask you a question ?”“ you tell me the difference between the two words ? ”A. May ; C

问题补充：

“ I ask you a question ?”

“ you tell me the difference between the two words ? ”

A. May ; Can

B. Can ; May

C. Could ; Might

D. Must ; May

答案：

A. May ; Can

(答案→)B. Can ; May

C. Could ; Might

D. Must ; May

解析：Can ; May引出问句语气委婉。