Exercise 2: Choose the odd one out.

A.recycle
B.reuse
C.reorder
D.reduce

Exercise 2: Choose the odd one out.

A.polluted
B.charity
C.refillable
D.reusable

Exercise 2: Choose the odd one out.

A.noise
B.bottle
C.can
D.bulb

Exercise 2: Choose the odd one out.

A.rubbish
B.litter
C.envelope
D.garbage

Exercise 3: Choose the best option A, B, C or D.
If we ……. waste paper, we will save a lot of trees.
A.repeat
B.remind
C.recycle
D.remark

Exercise 3: Choose the best option A, B, C or D.
What does “reduce” mean?
A.using something again
B.using something less
C.using something more
D.collect something

Exercise 3: Choose the best option A, B, C or D.
Polluted water can make fish …………. .
A.live
B.grow
C.sleep
D.die

Exercise 3: Choose the best option A, B, C or D.
If we plant more trees in the schoolyard, the school will become a ……………………. place.
A.darker
B.dirtier
C.greener
D.more polluted

Exercise 3: Choose the best option A, B, C or D.
Do you think we should put a …………….. bin in every classroom in order to keep it clean?
A.reusable
B.recycling
C.recycled
D.recyclable

Exercise 3: Choose the best option A, B, C or D.
My brother and I will give last year’s clothes to ……………. instead of throwing them away.
A.shop
B.charity
C.people
D.survey