TRI ĐỨC ENGLISH 2026 | Unit 14 - Ages and stages ⏳ TRI ĐỨC ENGLISH 2026 • Pre-Intermediate UNIT 14 AGES AND STAGES LÝ THUYẾT A. Growing up (Quá trình lớn lên) Age (Tuổi) Stage (Giai đoạn) 0 - 14 days a newborn baby 14 days - 1 year a baby 1 - 3 years a toddler 3 - 12 years a child (Plural: children / Period: childhood) 13 - 19 years a teenager 13-14: early teens 15-17: mid teens 18-19: late teens 18+ years an adult B. Getting older &...