erode ->..........................                        
A.
B.
C.
D.

Any amateur gardener knows                     need two things to survive: sunlight and water.
A.
B.
C.
D.

Many countries have signed up to international agreements which aim to reduce the negative                     of climate change.
A.
B.
C.
D.

Environmental                      is one of the greatest and most urgent problems in modern times.
A.
B.
C.
D.

                     should make efforts to preserve the environment for the sake of themselves and their children.
A.
B.
C.
D.

protect -> …………….
A.
B.
C.
D.

pollute -> ………………….
A.
B.
C.
D.

Global warming has accelerated  and had a negative effect                 .
A.
B.
C.
D.

You can take the bus as a(n)                    to driving a car.
A.
B.
C.
D.

Linda said (that), "Environmental pollution is an impact of human activities on the environment."
A.
B.
C.
D.