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