A. AVAILABLE B. MAJORITY C. TUTORIAL D. DIFFERENTLY

4. - BAI TAP TRAC NGHIEM TIENG ANH LOP 12 UNIT 5 HIGHER EDUCATION SO 3 CO DAP AN
BAI TAP TRAC NGHIEM TIENG ANH LOP 12 UNIT 5 HIGHER EDUCATION SO 3 CO DAP AN

4. a. available

b. majority

c. tutorial

d. differently