A.The more
B.we useC. the more betterD. will become
C.
D.

A.done
B.ofC. speciesD. ecological
C.
D.

A.that
B.effectC. forD. development
C.
D.

A.is
B.ofC. theD. have
C.
D.

A.along with
B.areC. her cousinsD. to attend
C.
D.

A.believe
B.doC. greaterD. in
C.
D.

A.to help
B.keptC. beD. energy
C.
D.

A.over-graze
B.occursC. contributes toD. mining activities
C.
D.

A.borrow
B.a
C.in debt
D.the

A.To avoid
B.two twins
C.wear
D.same