LONG TERM ……….HAVE CONTRIBUTED AS HEALTHCARE WORKERS, PHYSICAL THER...

2. - KIEM TRA TU VUNG BAI 456
KIEM TRA TU VUNG BAI 456
2. Long term ……….have contributed as healthcare workers, physical therapists, graphic designers, by teaching advanced computer skills or in project development.a. voluntary b. voluntarily c. volunteer d. volunteers.