Slaverywas______intheU.S.inthe19thcentury. A: retailed B: canceled C: abolished D: stroked

After the auctioneer showed the rug, the antique dealer______ $ 300 for it. A: denoted B: bid C: bargained D: retailed

The professor ______ his habit of getting up early in the morning to do writing all his life. A: projection B: retained C: retailed D: revitalized

The head of the sales department is required to have at least 7 years of experience in ______ sales and 4 years of management experience. A: retailing B: retailer C: retailed D: retail