In each of the following exercises, the second sentence begins with a demonstrative pronoun. Add a noun after the demonstrative to enhance coherence.

a. The Zoning Commission has scheduled an open hearing for March 14. This ________ will enable concerned citizens to voice their opinions on the proposed construction.

b. The university has increased the number of parking spaces, instituted a shuttle system, and increased parking fees. These _________ are expected to ease the parking problems.