21.   But there are many skeptics, she added, because the mayor has made similar promises before, and failed to convincingly follow up.

22.   But there must be many skeptics.

23.   Despite industry assurances that an overwhelming majority of shareholders would stand fast, there were skeptics.

24.   Do you know what a skeptic is?

25.   Even at this meeting there were skeptics.

26.   Even skeptics are eager to try it out.

27.   Even the serious skeptics are prepared to be convinced.

28.   Even so, there are skeptics.

29.   For all the excitement the model has caused, there are still skeptics.