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

A.Facebook
B.could not find
C.because of
D.Internet connection

A.Facebook
B.could not find
C.because of
D.Internet connection

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

A.done
B.of
C.species
D.ecological