Question

it took him four and a half years to walk around the world 改为同义句

Answer 1

it took him four and a half years to walk around the world 改为同义句:
1, Walking around the world cost him four and a half years.
2, It was four and a half years for him to walk around the world.
3, He spent four and a half years walking around the world.

Answer 2

He spent four and a half years walking around the world

Answer 3

He spent four and a half years walking around the world.