The ill man has been in hospital for a year.哪错了?为什么?怎么改?

The ill man has been in hospital for a year.哪错了?为什么?怎么改?
The ill man has been in hospital for a year.哪错了?为什么?怎么改?

The ill man has been in hospital for a year.哪错了?为什么?怎么改?
ill换成sick