3問お願いしますm(__)m

1.Do in Rome (　) the Romans do.
(1)where (2)while (3)as (4)according to

2.He was taken to the hospital to (　) for high blood pressure.
(1)treating (2)having treated (3)treat (4)be treated

3.The trouble with ready-made shirt is that they are made (　) somebody else's body.
(1)fit (2)to be fitted (3)to fit (4)to have fit