Some measures______to protect wildlife resources from 1950.

It’s time we ____some measures to solve this problem.A、must takeB、will takeC、tookD、have

On the island of Zakinthos, measures to protect the turtles meet resistance chiefly for __

The aim to create Everglades National Park was to______.A．protect the local ecosystem from

Its time that we ______ firm measures to protect our environment.A．have takenB．tookC．are t

We must take precautious measures to prevent the river______.A．to be pollutedB．from pollut

They took ____________ measures to prevent poisonous gases from escaping.A、efficientB、