Mr.Thach who sing Enghlish songs very well is my teacher of Enghlish17/43Identify the underlined 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