49、This may have preserved the elephant from being wiped out as well as other animals ( ) in Africa.
答案解析
解析：
除用过去分词外，我们还可以用 that are hunted。当然，用 being hunted 似乎比 hunted 更好，因为hunt这一动作仍在进行之中。
[译文]这或许已经使得非洲大象以及其他动物免遭灭绝。
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