字母的发音
Unit 1 Meeting new people
Part A
Part B
Part C
单元知识总结
Unit 2 Expressing yourself
Part A
Part B
Part C
单元知识总结
Unit 3 Learning better
Part A
Part B
Part C
单元知识总结
Unit 4 Healthy food
Part A
Part B
Part C
单元知识总结
Unit 5 Old toys
Part A
Part B
Part C
单元知识总结
Unit 6 Numbers in life
Part A
Part B
Part C
单元知识总结
Revision