1) Forty years ago Betty ________ fly a plane. a) could b) couldn't 2) Forty years ago Sam ________ run a marathon. a) could b) couldn't 3) Forty years ago Betty ________ climb a mountain. a) could b) couldn't 4) Forty years ago Sam ________ jump out of a plane. a) could b) couldn't 5) Forty years ago Betty ________ drive a car. a) could b) couldn't 6) Forty years ago Sam ________ ride an elephant. a) could b) couldn't

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