Choose the one item which best completes the following passage with the correct alternatives: Thirteen years ago, when he was 50, Schwazenegger __ surgery to replace a defective aortic valve. To keep the valve functioning properly, he __ medication that ___ his heart rate from exceeding 120. At some point in the next several years the valve __ and surgeons ___ his chest to install a new one.
(from Arnold´s Wild Road Trip in NEWSWEEK, April 25, 2011)
Choose the one item which best completes the following passage with the correct alternatives:
