1.The teacher looked at the boy_________(angry), because he kept talking in class.

2.It’s­­­____________(correct) to hunt or fish in zhalong nature reserves.

3£®If you  drop litter_____________, you harm the environment.(care)

4 Listen! Our English teacher _________ (speak) at the meeting.

5.we’ll wait if the rain_________(not stop)

6.He_________(not go)swimming if Lilei doesn’t go with him.

7.There_________(be) less and less space for wild life in the future.

8.Tell the children _________(not play)in the street.

9. _________(step) on the snakes is very dangerous for people.

10.Thanks for agreeing_________(show) some photos to us.

11. He doesn't know the ______(important) of life.