Giúp tớ exercise 2 với ạ 
----- Nội dung dịch tự động từ ảnh -----
9. If we use the reusable bags, we will save a lot of money.
10. If we plant many trees in the schoolyard, the school will be gener
place.
Exercise 2. Put the words from the box into the correct column. One word can belong to more
than one group.
rubbish
cotton
empty cans
engine oil
Reduce
rubbish, uast,
causes
waste
plastic
batteries
glass
Almost (6)
all
than
2.
A. Plastic bottles
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rubber
dirty water
plastic bags
Exercise 3. Fill in the blanks with suitable words in the box.
combing
due
iron
B. reduce
can be recycled.
B. Glasses
Reuse
old clothes
either
Paper can be recycled by reducing it to pulp and (1)
harvested wood. As the recycling process (2).
waste paper
C. recycle
C. Clothes
ink
bottles
paper is recycled its quality decreases. This means that (3)
fibers must be added, or the paper down cycled (4).
lower quality products.
Any writing or coloration of the paper must first be removed by de-inking, which (5)
removes fillers, clays, and fiber fragments.
paper can be recycled today, but some types are harder to recycle (7)
others. Papers coated with plastic or alumium foil, and papers (8)
waxed, pasted, or gummed are usually not recycled (9)
Gift wrap paper also cannot be recycled (10)
Exercise 4. Choose the best option to fill in the blank.
1. People should
noise.
A. reuse
old newspapers
kitchen waste
into
that
aluminum
metal
also
because
it with pulp from newly
the paper fibers to breakdown, each time
a higher percentage of new
Recycle
the process is too expensive.
to its low quality.
D. All are correct
are
D. A and B are correct