A.protect
B.forbidding
C.to restrict
D.and creating

A.Recycled
B.to make
C.hundreds
D.another

A.are supposed
B.carefully
C.find out
D.them

A.not cancelling
B.in spite of
C.extremely
D.in

A.could
B.attend
C.so
D.it

A.Although
B.aware that
C.to
D.them

A.have become
B.where
C.watch them
D.roams free

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

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

A.arrived
B.were singing
C.on the stage
D.when