امتحان

I am .......... sure

1

to

2

no

3

not

4

too

تصحيح

You ......... pick up flowers fr om public parks

1

shouldn' t

2

may

3

should

4

can

تصحيح

Fo r ests abso r b about 2,6 billion of carbon dioxide every year

1

grams

2

tonnes

3

meters

4

litters

تصحيح

.......... are really impo r tant in protecting our planet

1

Rain

2

Games

3

Trees

4

Pollution

تصحيح

Egypt started aproject to plant one ......... trees in public parks

1

thousa nd

2

million

3

billion

4

hundred

تصحيح

Fo r ests take Carbon dioxide .......... of the atomsphere

1

out

2

in

3

to

4

with

تصحيح

Fo r ests can ......... Carbon dioxide

1

take

2

give

3

abso r b

4

sto r e

تصحيح

Carbon dioxide emissions can couse air ............

1

keeping

2

pollution

3

protecting

4

cleaning

تصحيح

The average human brain has about 100 ........... brain cells

1

hundred

2

billion

3

thousa nd

4

million

تصحيح

your heart beats about ....... million times a year

1

75

2

100

3

20

4

35

تصحيح

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