“____ 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
“____ 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
B
Can ; May引出问句语气委婉。