... you live ? – I live in Ha Noi. 4. Which grade are you in? - I am in grade 6. 5. When do you have English ? – I have english on Monday 6. Who is waiting for her ? – Lan is waiting for her. 7. ... Indefinite articles ( mạo từ không xác định ) “ a” or “an” : một + “A” đứng trước phụ âm: P, S, T, F, B,… + “An” đứng trước nguyên âm: A, O, I, E, U.Ex: - a teacher, a door,… -An orange, an example,….Add ... your name? 2.How old are you? 3.How are you today? 4.Where do you live? 6. Does Nam listen to music ? - Yes, he does. / No, he doesn’t. 7. Do they walk to school ? – Yes, they do. /...