问题补充:
This pair of shoes Li Gang’s .It’s too big for him .
A. can’t be
B. could be
C. might be
D. must be
答案:
(答案→)A. can’t be
B. could be
C. might be
D. must be
解析:考查情态动词:A.can’t be 不可能是B.could be可能是C.might be可以是 D.must be一定是,根据后文内容It’s too big for him,可知前文是不可能是李刚的意思,故选A