1.She left university two years ago.
=>It is
2.Laurence hasn't seen her sister since she left for Japan
=>Laurence last
3. Lucky has worn that dress since Barbara's wedding
=>The last time Lucky
4. My mother started working at this school 25 years ago
=>My mother has
5.I have never been to this entertainment park before
=>This is
7.I haven't seen him since I was a student
=>I last
6.I haven't heard from him since August
=>The last time
8. The last time I played football was in 1970
=>I haven't
9.We haven't seen Tom since he moved to Bristol
=>We last
10. This is the first time Bob has ever visited Vietnam
=>Bob
1. It is two years since she left university.
2. Laurence last saw her sister when she left for Japan.
3. The last time Lucky wore that dress was at Barbara's wedding
4. My mother has worked at this school for 25 years.
5. This is the first time I have been to this entertainment park.
6. The last time I heard from him was in August.
8. I have not played football since 1970.
9. We last saw Tom when he moved to Bristol.
10. Bob has not visited Vietnam before.
Mk tưởng câu 1 phải là "It has been two years since she left university" chứ nhỉ 
