问题
选择题
—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
答案
答案：D
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。