1. Driving directions to our office and a map of our campus are enclosed ______ this letter.
2. We are ______ whether to expand our current facility or relocate to a larger complex.
3. We expect the ceremony to be over ______ 11:30 A. M.
4. The office complex on Broad Street has been ______ for a year due to delayed construction work.
5. This new policy proved effective, leading to ______ increase in production.