guessed

"I explained it, but it is pure conjecture whether he understood, or not."

"Let me introduce you to my friends."

"The photocopier can reproduce multiple copies of the homework assignment. "

"While her actions showed courage, their plausibility was overshadowed by the unnecessary risk she took. "

"Please completely fill in the box for your answer, using a number 2 pencil."

"My teacher made a proposition for a new class project: a school-wide recycling drive. "

"The uncertain about the project's success kept everyone on edge. "

"There's a lot of uncertainty about the final exam's topic, so students are studying everything. "

"The word "home" has a positive connotation for most people, suggesting comfort and safety. "

""The historian spent years remembering the fragmented details of the ancient civilization, piecing together their lost culture." "

"The conclusion of the meeting was that everyone would work on the project together. "

"His lack of a high school diploma renders him unqualified for the job."