14. They are student of your school?
15. Yesterday, I saw Jim at a bookstore.
ex4:
1. My friend and I was at the hairdresser's yesterday. ---> My friend and I were at the hairdresser's yesterday
2. My sister in law used to had long hair but now she has short hair. ---> My sister in law used to have long hair but now she has short hair.
3. Did your father worked in a tobacco factory before he retired ? ---> Had your father worked in a tobacco factory before he retired ?
4. Why you didn't come to the meeting last week? ---> Why didn't you come to the meeting last week?
5. My best friend and I use to hated each other when we first met? ---> My best friend and I use to hate each other when we first met?
CHO MÌNH XIN CẢM ƠN VÀ 5 SAO
