问题
选择题
Sometimes the boy is a bad-tempered child, but he ______ be quite lovely when he wishes.
[ ]
A. may
B. can
C. shall
D. must
答案
答案：B
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Sometimes the boy is a bad-tempered child, but he ______ be quite lovely when he wishes.
[ ]
A. may
B. can
C. shall
D. must
答案：B