Many experienced staff members have left since 2000, and a number of key positions are either empty or filled only on an acting basis.

We think a 500-seat theater could be filled on a regular basis.

Michael Baybak, the chairman, had filled the post of president on an interim basis.

This should allow it to fill its pipelines on a more consistent basis.

The majority of the jobs have not yet been filled on a permanent basis.

There were some doubts about his ability to fill the job on a permanent basis since he had little experience of politics.

Limited to about 25, they are an additional $4 and will be filled on a first-come basis.

Then, out of the blue, along came an offer to fill on a temporary basis writing speeches for our triumphant governor.

Paul area are able to fill available slots on a year-by-year basis.

Mr. Pond had filled that position on an acting basis for the last several months.