1. At night most climbers took their gloves off, but I __ to keep them on. b) preferred 2. __ a handful of Americans declared April 22, 1970 to be Earth Day. c) Forty-five years ago 3. It is true that there have been several attempts to brighten the lives of workers; however, an average factory worker is rather __ c) to be pity than envied 4. In the olden days, before the discovery of anesthetics, various methods __ to keep the patient quiet during an operation. a) were used 5. The specter that __ our country represents both an opportunity and a challenge. c) has been haunting

1. At night most climbers took their gloves off, but I __ to keep them on.
b) preferred