Bài 1: Feeling Fit - L4U1. Vocabulary01

Bài 4: Feeling Fit - L4U1. Grammar02

Bài 7: Let's Celebrate! - L4U2. Grammar01

Bài 10: Let's Celebrate! - L4U2. Story

Bài 13: My Weekend - L4U3. Vocabulary02

Bài 2: Feeling Fit - L4U1. Grammar01

Bài 5: Feeling Fit - L4U1. Story

Bài 8: Let's Celebrate! - L4U2. Vocabulary02

Bài 11: My Weekend - L4U3. Vocabulary01

Bài 14: My Weekend - L4U3. Grammar02

Bài 3: Feeling Fit - L4U1. Vocabulary02

Bài 6: Let's Celebrate! - L4U2. Vocabulary01

Bài 9: Let's Celebrate! - L4U2. Grammar02

Bài 12: My Weekend - L4U3. Grammar01

Bài 15: My Weekend - L4U3. Story

Bài 16: All in Our Family – L4U4. Vocabulary01

Bài 17: All in Our Family – L4U4. Grammar01

Bài 18: All in Our Family – L4U4. Vocabulary02

Bài 19: All in Our Family – L4U4. Grammar02

Bài 20: All in Our Family – L4U4. Story

Bài 21: Fresh Food – L4.U5. Vocabulary01

Bài 22: Fresh Food – L4.U5. Grammar01

Bài 23: All in Our Family – L4.U5. Vocabulary02

Bài 24: Fresh Food – L4.U5. Grammar02