…………..AND……… USE A SYSTEM OF SIGN LANGUAGE TO COMMUNICATE WITH EACH...

8. - KIEM TRA 45'''' LAN 2 TA 10
KIEM TRA 45'''' LAN 2 TA 10
8. …………..and……… use a system of sign language to communicate with each other.A. the poor/ the rich B. The deaf / the mute C. The blind/ the deaf D. the young/ the old