问题补充:
—What do you think of John?
—He’s a good boy, but he be really stubborn at times.
A. can
B. might
C. must
D. need
答案:
(答案→)A. can
B. might
C. must
D. need
解析:本题考查情态动词,can能,会,偶尔发生的可能性,有时会;might可能,或许,也许;must必须,不可,一定,偏偏; need 必要,需要,需要做;根据句意“你认为约翰怎么样?他是一个好孩子,但有时真的会很固执”。故选A。