OPW 1.1 Review letters from A to H
<p style="margin-left:36px;text-align:center;"><strong>Lesson 23: Review the </strong><span style="color:black;"><strong>letters A, B, C, D, E, F, G, H</strong></span></p><p style="margin-left:36px;text-align:center;"><strong>Bài 23: Ôn tập các chữ cái A, B, C, D, E, F, G, H</strong></p><p style="margin-left:36px;text-align:center;"> </p><ol style="list-style-type:upper-roman;"><li><p style="margin-left:44px;"><strong&g