Unit 5. Lesson 5C: Everyday English Phần 1: Before class [B.U05.5C.01]: Listening (Understand conversations in which people talk about where things are and give directions)
Unit 1. Review and extension Phần 1: Before class [B.U01.RE.01]: Vocabulary & Grammar (Part 1) [B.U0.1RE.02]: Vocabulary & Grammar (Part 2) [B.U01.RE.03]: Word Power Phần