NGA, LAN AND NGOC IS PLAYING CHESS. A. AND B. IS C. PLAYING D. CHE...

19. - LOP 4 UNIT 5 LY THUYET BAI TAP DAP AN
LOP 4 UNIT 5 LY THUYET BAI TAP DAP AN

19. Nga, Lan and Ngoc is playing chess.

a. And b. Is c. Playing d. Chess