Read and complete. How ___________ is your grandmother? – She’s seventy years old.Đoạn văn17/25Exercise 8. Read and complete. Who’s that? – It’s my teacher. 1 How ____ is your grandmother? – She’s seventy years old. 2 This is my _______. She’s fourteen years old. 3 My ________ is nineteen years old. 4 I’m _______ years old.Click vào chỗ trống để nhập đáp án. Nhấn Enter để xác nhận, Esc để hủy.Giải thích1. old2. sister3. brother4. twenty