Revise the following sentences to present the bad news with passive-voice verbs.
a) We cannot offer free shipping for orders under $100.
b) This hospital has a strict policy of not admitting patients until we have verified their insurance coverage.
c) Because our liability insurance no longer covers visitors, we are postponing indefinitely requests for company tours.
d) Your car rental insurance coverage does not cover large SUVs.
e) Company policy prevents us from offering health and dental benefits until employees have been on the job for 12 months.