Revise the following sentences so that their parts are balanced.

a. To improve your listening skills, you should stop talking, your surroundings should be controlled, be listening for main points, and an open mind must be kept.

b. Job seekers use the Internet to find job opportunities, market themselves to companies, showcase their skills, and they hope to be able to land that dream job.

c. Recent graduates are seeking jobs that are stimulating and a challenge.