11.   But questions linger.

12.   But questions linger about whether a former oil and baseball executive who has been a governor for six years is ready for the White House.

13.   But questions linger with the memories.

14.   But still the questions linger.

15.   But some questions lingered in my mind.

16.   But questions linger about whether the track can live up to expectations for betting and attendance at live races.

17.   But the questions will linger.

18.   But some questions have lingered, kept alive by congressional Republicans in particular.

19.   But the question lingers whether that improvement is enough.

20.   But the question still lingers in the minds of many average Providence voters.