英语翻译

Question

86.But for the survival instinct which nearly all creatures have,______.（更多的物种就可能已经在地球上灭绝了）.这里“可能”用could have 还是would have

Answer 1

But for the survival instinct which nearly all creatures have, {more species would have been extinct/extinguished from the earth}

用would have
“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
“would+have+done”虚拟语气，表示对过去事情的假设，意思是“本来会做”。

Answer 2

would have

望采纳 可追问追问

You shouldn't have run across the road without looking, you_________________. (也许会被车撞到)
呢？

追答

would have been knocked down by a car

Answer 3

用could have。