1.   But sometimes you have to work harder in a zone than in man because you have more ground to cover.

2.   In baseball, he had a lot more ground to cover.

3.   While the teen-smoking reduction walks ground already covered by negotiators, the workplace-smoking ban is similar to legislation soundly defeated two years ago.

4.   Abortion rights advocates say opponents are treading on ground already covered by the Supreme Court.

5.   Clearly, for all the progress there is still much ground to cover.

6.   Levitte and his team have much ground to cover, both literally and figuratively.