object

"My teacher explained the new math concept, and I understood it perfectly. "

"The doctor explained that the patient's low complement levels made them more vulnerable to infections. "

"His sudden appearance surprised me."

""In some languages, the prepositional is a case that nouns take to show their relationship to prepositions like 'in,' 'on,' or 'at'." "

"My sister is very helpful, especially when it comes to organizing things. "

"The teacher pointed out a particular detail in the math problem that several students missed. "

"The painting represents the artist's view of the city skyline. "

""The students found it hard to concentrate on their test because of the constant interruptions from the construction outside." "

"My daughter used a calculator to figure out how much change she would get from the store. "

"The transitive nature of the ferry allowed people to cross the river quickly. "

"My frustration grew as my teacher kept pointing out my mistakes in front of the class. "

"a mathematical problem"