HE HAS BEEN AN ACTIVE ... IN THE DISCUSSION.A. PARTICIPATION B. PA...

09. - 6 MÃ ĐỀ AV HK 2 12CB
6 MÃ ĐỀ AV HK 2 12CB

09.

He has been an active ... in the discussion.

A.

participation

B.

participal

C.

participant

D.

participating