问题
选择题
—Why are those people gathering in the middle of the street?
— I don't know. There ____ be an accident.[ ]
A. shall
B. should
C. can
D. might
答案
答案：D
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—Why are those people gathering in the middle of the street?
— I don't know. There ____ be an accident.[ ]
A. shall
B. should
C. can
D. might
答案：D