Unit 4 I have a pen pal PB Let’s talk 教案+练习（含答案）

Unit 4 I have a pen pal PA Let’s talk 教案+反思

Unit 4 I have a pen pal Part B Let’s try Let’s talk表格式教案（含反思）

Unit 4 I have a pen pal Part B Let’s check 教案

Unit 4 I have a pen pal PA Let’s learn 教案+练习（含答案）

Unit 4 I have a pen pal PA Let’s learn 教案

Unit 4 I have a pen pal Part B Let’s learn教案（表格式）