—Why does Mary look so worried today?—I’m not sure, but she _____ a small accide

题干

—Why does Mary look so worried today?
—I’m not sure, but she _____ a small accident driving here.

A．must have

B．might have

C．must have had

D．might have had

上一题下一题 0.64难度单项选择更新时间:2013-11-26 03:00:48

小学学科试题库

初中学科试题库

高中学科试题库