Unit 4 Then and now Part B 同步达标训练（含答案）

Unit 4 Then and now Part B Let’s talk 教案

Unit 4 Then and now Part B Let’s learn教案

Unit 4 Then and now Part B Let’s learn 教案

Unit 4 Then and now Part B Let’s talk教案

Unit 4 Then and now Part B Let’s talk 教案

Unit 4 Then and now Part B Let’s check 教案