invisibles

"The student's declaration that she was ready for the exam was a relief to her parents. "

"The teacher effectively explained the complex math problem, making it easier for the students to understand. "

""Learning a new language opens up many opportunities for travel and better job prospects." "

"The students used library resources like books and computers to complete their research project. "

"Greeting each other with a handshake is a common institution in many Western cultures. "

"The students conducted several experiments in the science lab to test their theory about plant growth. "

"The poor visibility made it hard to see the road clearly during the heavy fog. "

"The old book contained alchemical recipes for transforming common metals into gold, reflecting the practices of medieval alchemy. "

"Her diligent practicing on the piano led to a stunning performance at the recital. "

"My teacher explained the new math formula specifically for students in the advanced class. "

"The church choir practiced the new spirituals for their Sunday service. "

"The school implemented a reformation of its grading system to better reflect student learning. "