Operation Lifesavers Inc. is an organization thatA.was first founded by railroad companies

外语类 专四 已帮助 人

Operation Lifesavers Inc. is an organization that

A.was first founded by railroad companies.

B.has designed an online course for drivers.

C.has helped 15,000 drivers to get their licenses.

D.collects membership fees from professional truckers.

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