英文文法~急~~~~~~~~~~~thx

for of to in down at

Thousands_________different species of animals were living ________forests.
But many_________the world's forests are disappearing. People are cutting
them_______and selling the wood.This means the animals are losing their
homes and they cannot find food_________eat,so they die.Another reason
animals are________danger is because hunters hunt them_________their skin or________use their body parts for traditional medicine.

Scientists say that animals are becoming extinct faster now than they
have________the past 65 milions years.Every single day,________least three animal and plant species become extinct.

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