persists

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

"Autumn succeeds summer."

"He reinforced the handle with a metal rod and a bit of tape."

"The child's first utterance was "Mama." "

"Professor Smith, the head of the history department, gave a fascinating lecture on the Roman Empire. "

"My brother constantly helps his younger sister with her homework, demonstrating his steadfast loyalty and support. "

"The student resolutely finished the difficult math problem. "

"My sister got a permanent for her wedding, which was supposed to last for several months. "

"He stubbornly refused to quit trying, even after failing 20 times."

"The weather forecast predicted rain for tomorrow, so I will bring an umbrella. "

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

"The complicated instructions on the new software difficult me from completing the project on time. "