English is a language that many people around the world not speak perfectly but at least understand．
A. may，can
B. would，might
C. can，must
D. should，can
网友回答
(答案→)A. may，can
B. would，might
C. can，must
D. should，can
解析：此题重点考查情态动词的基本用法，may表示的可能性比较小，而can经常表示一种能力。