A.so
B.or
C.whereas
D.because

A.effective
B.effectively
C.affect
D.effect

A.that
B.which
C.when
D.where

A.social
B.mature
C.secure
D.polite

A.sacrifice
B.understand
C.integrate
D.recognize

A.using verbs
B.using facial expressions
C.using speech
D.using gesture

A.in a larger number
B.very quickly
C.on the second floor
D.every two hours

A.at
B.to
C.in
D.on

A.
B.
C.
D.

A.
B.
C.
D.