certainty

"The student's ability to concentrate in noisy environments was crucial for success in the class. "

"moral absolutes"

"The school's fundraising project aims to renovate the library in several stages. "

"There is a countless number of stars."

"What is your question?"

"I must make this deadline or my boss will kill me!"

"My mother's instance that I finish my homework before dinner was quite strong. "

"The company established a new policy to improve employee safety. "

"The evidence showed, unquestionably, that he was at the scene of the crime. "

"The certain success of the project was a relief to the team. "

"Tomorrow is my sister's birthday. "

"The scientist wrote down her observations about the plant's growth each day. "