There are trees on ________ side of the street.
A.such a
B.both
C.some
D.each
A.such a
B.both
C.some
D.each
There are ________ no trees in this poor area.
A.hardly
B.nearly
C.mostly
D.almost
A.all
B.in together
C.altogether
D.gather
A.for
B.against
C.through
D.to
These apple trees, ______I planted three years ago, have not borne any fruit.
A.that
B.what
C.which
D.when
Why did the country mentioned in the passage suffer from floods and starvation?
A.Because nothing remains on land except floods.
B.Because there are no longer trees to keep the rain and protect the top-soil.
C.Because too much rain sinks in and washes away the top-soil.
D.Because roots of the trees break up the soil.
By cutting down trees we __________ the natural home of birds and animals.
A. harm
B. hurt
C. injure
D. damage
A.separation
B.omission
C.abbreviation
D.Extension
A.empty
B.bare
C.vacant
D.rare