不变原意改写句子?

题目

不变原意改写句子?
1.he became a doctor 5 years ago.
(1) he ____ _____a doctor____5years.
(2) it ____five years ____he became adoctor.
(3) it____ ____ five years ____be became adoctor.
2.his grandfather died ten years ago.
(1)his grandfather____ ____ ____for ten years.
(2)it____ten years___his grandfther died
(3)it____ ____ten years since his grandfather____.
3.wu peng joined the league in 1998 .
(1) wu peng ____ ___a league member for four years.
(2) wu peng ____ ___ ____the league for four years.
(3) wu peng ____ ____ a league member ___1998.
4.the film began an dhour ago
(1) the film ____ ___ ___for an hour .
(2) ____ ____ an hour since the film____
5.tom ____ ____ ____ ____ liome for 3 weeks.

答案

1.he became a doctor 5 years ago.
(1) he has been a doctor for 5years.
(2) it is five years since he became adoctor.
(3) it has been five years since be became a doctor.
2.his grandfather died ten years ago.
(1)his grandfather has been dead for ten years.
(2)it is ten years since his grandfther died
(3)it has been ten years since his grandfather died.
3.wu peng joined the league in 1998 .
(1) wu peng has been a league member for four years.
(2) wu peng has been in the league for four years.
(3) wu peng was not a league member until 1998.
4.the film began an hour ago
(1) the film has been on for an hour .
(2) It is an hour since the film began.
5.tom has been away from home for 3 weeks.