摘要： If human beings had been a bit less greedy and cruel , more birds and animals dying out . A. ought to avoid B. could have been avoided C. should have avoided D. might have avoided
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If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
A. ought to avoid B. could have been avoided
C. should have avoided D. might have avoided
查看习题详情和答案>>If human beings had been a bit less greedy and cruel, more birds and animals dying out.
A. ought to avoid B. could have been avoided
C. should have avoided D. might have avoided
查看习题详情和答案>>If human beings had been a bit less greedy and cruel, more birds and animals dying out.
A. ought to avoid B. could have been avoided
C. should have avoided D. might have avoided
查看习题详情和答案>>