unaware

"My knowledge of history helped me understand the current political situation better. "

"The teacher was noticing students who were not paying attention in class. "

"My life lacks excitement."

"The soccer game was postponed because of the heavy rain. "

"Her thoughtless remark about his weight really hurt his feelings. "

"He was inattentive in class and did not do well in his exams."

"He is a student of life."

"The student was aware of the approaching deadline, so she diligently worked to finish her project. "

"The upcoming school holiday is a welcome break for the students. "

"We will stay at the park until the sun sets. "

"he paid her off the books and in kind where possible"

"The teacher informed the class about the upcoming history test. "