A.over-graze
B.occurs
C.contributes to
D.mining activities

A.with
B.were
C.when
D.started

A.suspected
B.forC. having cuttingD. the
C.
D.

A.protect
B.animalsC. allD. have
C.
D.

A.All of
B.undoubtedlyC. amongD. friendly
C.
D.

A.have become
B.whereC. watch themD. roams free
C.
D.

A.Although
B.aware thatC. toD. them
C.
D.

A.could
B.attendC. soD. it
C.
D.

A.not cancelling
B.in spite ofC. extremelyD. in
C.
D.

A.are supposed
B.carefullyC. find outD. them
C.
D.