If people_____(not protect) wild animals,there _____(not be)wild animals any more.

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If people_____(not protect) wild animals,there _____(not be)wild animals any more.
If people_____(not protect) wild animals,there _____(not be)wild animals any more.

If people_____(not protect) wild animals,there _____(not be)wild animals any more.
don't protect ,won't be
if 引导的条件状语从句,从句用一般现在时,主句用一般将来时.

If people did not protect wild animals,there would not be wild animals any more.
这是典型的 与现在事实相反的虚拟语气。