Some methods to improve the efficiency of teaching listening skill in grade 8 at Nguyen Van Troi secondary school THANH HOA DEPARTMENT OF EDUCATION AND TRAINING HOANG HOA COMMITEE DIVISION OF EDUCATION AND TRAINING INNOVATIVE EXPERIENCE SOME METHODS TO IMPROVE THE EFFICIENCY OF TEACHING LISTENING SKILL IN GRADE 8 AT NGUYEN VAN TROI SECONDARY SCHOOL Implementer Nguyen Thi Lan Position Teacher Working unit Nguyen Van Troi secondary school Innovative experience belongs to the subject English THANH[.]