When we use a negative construction (with not) in the main clause, until means 'not before'. I won't (will not) start cooking until you come home. until three kilometres.
Medicare Part A is hospital insurance that covers inpatient hospital care and certain home care. Medicare Part A is usually free if you or your spouse paid Medicare taxes while working. If not, it can cost up to $413 each month in 2017. Hospital and skilled nursing facility stays come with deductibles and co-insurance.
Part A is premium-free for most people. Most beneficiaries do pay a monthly premium to be covered under Medicare Part B â the part that helps pay for doctors, outpatient hospital care, and some other care that Part A doesn't cover, such as physical and occupational therapy.