7. 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.

NOTE: In Exercises 8–29, pay close attention to what you are being asked to do, and do only as much revising as is necessary. Take special care to preserve the meaning of the original material. If necessary, invent reasonable details.