（1）What does Peter do？
A.A doctor.
B.A teacher.
C.A student.
（2）What does Peter do to protect the environment？
A.He helps clean the street.
B.He never throws rubbish on the ground.
C.He always goes to school on foot.
（3）Who did Peter write a letter to？
A.A factory.
B.A hospital.
C.A school.
（4）Where does Peter plant trees every year？
A.On the farm.
B.In the parks.
C.In the garden.
（5）How does Peter raise money for Greenriver？
A.By planting trees.
B.By drawing pictures.
C.By selling waste.