题目内容
--- Jack fell off the ladder yesterday, but he is all right now.
---What a lucky dog! He _______ himself badly.
A. could injure B. must have injured
C. should injure D. might have injured
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题目内容
--- Jack fell off the ladder yesterday, but he is all right now.
---What a lucky dog! He _______ himself badly.
A. could injure B. must have injured
C. should injure D. might have injured