A.
B.
C.
D.

A.culture
B.politeness
C.avoid
D.embarrassment

A.All of
B.undoubtedly
C.among
D.friendly

A.that
B.effect
C.for
D.development

A.is
B.of
C.the
D.have

A.along with
B.are
C.her cousins
D.to attend

A.believe
B.do
C.greater
D.in

A.to help
B.kept
C.be
D.energy

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

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