—What do you think of your nephew?
—He be very naughty but at the same time you poor.
A. will ; will
B. won't; can't
C. may ; may
D. can; can't
网友回答
A. will ; will
B. won't; can't
C. may ; may
(答案→)D. can; can't
解析：本题考查情态动词的用法，前一空填“可能”含义的情态动词，排除A、B。后一空为惯用法，can't help doing是禁不住干某事。