many patients are so poor that they can't afford to travel to hospital.(同义句) many patients are

问题描述:

many patients are so poor that they can't afford to travel to hospital.(同义句) many patients are
( ) poor ( ) ( ) travel to hospital.
many patients ( )rich ( ) ( ) ( ) to travel to hospital.

many patients ( too ) poor ( to ) ( afford ) travel to hospital.(这个travel前面是不是少打了个to?)
many patients ( not )rich ( enough) ( to ) ( afford ) to travel to hospital.