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 hering for March 14. This_________ will enable concerned citizens to voice their opinions on the proposed contruction.
b) The university has increased the number of parking spaces, instiuted a shuttle system, and increased parking fees. These _____are expected to ease the parking problems.
c) Congress's decision to withdraw support for the supercollider in 1994 was a shock to the U.S. particle physics communicty. This ___________ is seen as instumental in the revival of the European research community.