_____ of the water _____ polluted. We must try to protect our environment.

We are afraid of the teachers______ strict with students —So am I

As soon as the man walked into the room ~ he ______ his heavy coat and sat down.

You can visit Zhalong Nature Reserve, one of the few places on Earth _____ red-crowned cranes still live.

Lily，you are so special that you’re different from other girls. —Everyone in the world is different. So，just _______ yourself! It’s the best way of life.