... 11 A1 , 11 A2 , 11 A3 , 10 A1 , 10 A2 and 11 CB4 at Thanh Binh High School Three of the teachers have more than years in teaching One has more than 30 years in teaching Other has 18 years in teaching .In ... immediately (Rivers, 19 64, 19 68 and 19 76 a; Holley and King, 19 71; George, 19 72 18 a; Chastain, 19 76; Krashen, 19 87; Doff, 19 88; Allwright and Bailey, 19 91; Lewis, 19 93; Nunan and Lamb, 19 96; Ur, 19 96; ... willingness to speak in class at all because it can interrupt the learner in the middle of a sentence On the other hand, although delayed feedback can allow the learner time to finish what the...