—I wonder why Sara looks worried today.—I'm not sure，but she 　　　　 a small accident driving

发布时间：2020-08-16 13:56:01


—I wonder why Sara looks worried today.
—I'm not sure，but she 　　　　 a small accident driving here.
A. could have
B. might have
C. might have had
D. must have had

网友回答

A. could have
B. might have
(答案→)C. might have had
D. must have had
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