27 . What are people doing ?
A. They are playing
B. They are throwing rubbish .
C. They are telling the story .
D. They are cleaning the lake .
28.Why is it hard for the turtle to swim ?
A. Because fish in the lake
B. Because the tourists look him , prevent him .
C. Because there is a plastic bag
D. Because the turtle wants to climb up on the rock
Littering is bad for .........
A. people
B. animals
C. trees around the lake
D. people , animals and plants
What is the correct settings of the story?
A. The ocean .
B. A pond
C. A lake .
D. A