Which sentence contains an inappropriate shift in number? 1. Athletes can get muscle cramps when they don't stretch before they exercise. 2. Athletes can get muscle cramp when they don't stretch before exercising. 3. Many athletes get muscle cramps when they don't stretch before they exercise. 4 Can an athlete get a muscle cramp when she doesn't stretch before exercising?
It is not 3. Many athletes get muscle cramps when they don't stretch before they exercise. The real answer is 2. Athletes can get muscle cramp when they don't stretch before exercising.
