11.   But a lot remains at stake.

12.   But a lot remains unknown, perhaps never to be revealed.

13.   Carnahan cautioned that a lot of time remained between now and Election Day.

14.   EU officials said a lot of details remain to be clarified.

15.   EU officials said a lot of blanks remain to be filled in.

16.   For there remains a lot to celebrate.

17.   He warned, however, that a lot of work remains to be done.

18.   However, Dr. Olling said a lot of work remained to be done.

19.   However, the official added, a lot remains to be done.

20.   If the investigation is building a circumstantial case for a rudder malfunction, a lot of work remains.