Viết lại câu mà nghĩa ko thay đổi
Viết lại những câu sau đây sao cho nghĩa ko thay đổi
1. Jack's job as a reporter started in 2010.
=> Jack has ===--..
2. It's thirty years since my mother began her career as a teacher.
=> My mother has ======
3. He was chosen for the football school team two months ago.
=> He has ======--...
4. You're late again. You've already been late once this week.
=> It's the second time ====--...
5. No one has challenged his authority before.
=> This is the first time ==--...
6. I don't know these men.
=> I have not =--