单项选择题
A.hurried up B.kept up C.cheered up D.held up
A.Do more running than walking every day of the week. B.Exercise regularly, every other day of the week. C.The more exercises you do, the healthier you will be. D.In order to lose weight, you'd better walk faster.
A.exercise any half of the week B.exercise any two days of the week C.exercise every other day, three days a week D.exercise three days a week at most