Mr. Thach Who sing Enghlish songs very well is my teacher of Enghlish22/40Identify the word/ phrase (A or B,C,D) that needs correcting to become an exact one. Mr. Thach who sing Enghlish songs very well is my teacher of EnghlishMr.ThachWho singEnghlish songsIsGiải thíchĐáp án B sing => sings