THE TEACHER TRIED TO EXPLAIN THE NEW FORMULA ... HIS STUDENTS. A....

996. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN
1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN

996. The teacher tried to explain the new formula ... his students.

A. with

B. for

C. to

D. among