cleaned

"The instructor explained the new math concept clearly to the students. "

"The old mirror had many small blemishes on its surface, making it hard to see a clear reflection. "

"The billionaire’s will established a trust to create a staff of archivists that would chronicle and preserve his rise to prominence."

"He removed the marbles from the bag."

"The school directory lists the names and phone numbers of all teachers and staff. "

"The farmer butchered the pig and then sold the meat at the market. "

"The camping equipment was essential for a successful weekend trip. "

"The automatic child-frightener made clowns unnecessary."

"Prices climbed steeply."

"The download took longer than I expected."

"Previously, I had planned to study for the math test on Saturday. "

"The complicated instructions on the new software difficult me from completing the project on time. "