THE STUDENTS IN THUY’S CLASS ARE DEAF, DUMB AND MENTALLY RETARDED....

12) - ON THI TRAC NGHIEM 10 HAY POT
ON THI TRAC NGHIEM 10 HAY POT

12) The students in Thuy’s class are deaf, dumb and mentally retarded. They are ... students.

A. poor B. rich C. different D. disabled