问题
选择题
Helen is on time for everything. How ______ it be that she was late for such an important interview?
A．might
B．can
C．must
D．may
答案
答案：B
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Helen is on time for everything. How ______ it be that she was late for such an important interview?
A．might
B．can
C．must
D．may
答案：B