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

A.The more
B.we use
C.the more better
D.will become

A.do housewives have to
B.get it done
C.for
D.cleaners

A.instead of
B.electronics
C.tend to toss
D.In

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