語彙集

"The old oak tree provided shade for the entire yard."

"She eats a bowl of oatmeal every morning for breakfast."

"Children should show obedience to their parents."

"Obesity is a growing health problem in many countries."

"The lawyer raised an objection during the trial."

"You have an obligation to follow the rules."

"She obliged by helping him with the task."

"The meaning of the poem was obscure to most readers."

"The scientist made an observation during the experiment."

"Observations of distant galaxies provide new insights."

"The day is observed annually to raise awareness."

"The observer took notes during the meeting."

"His obsession with success drove him to work day and night."

"She managed to obtain a scholarship for her studies."

"The car had three occupants at the time of the accident."

"The room is occupied, so please wait outside."

"The workers will occupy the building until the renovations are completed."

"Oddly, he didn’t seem upset by the bad news."

"The odds of winning the lottery are very low."

"The odour of fresh bread filled the kitchen."

"Stealing is a serious offence punishable by law."

"She didn’t mean to offend anyone with her remarks."

"The offense was committed in broad daylight."

"His offensive remarks upset everyone at the meeting."

"The company’s latest offering is an eco-friendly car."

"The building was officially opened by the mayor."

"Her oily skin needs special care."

"Please don't omit any important details from your report."

"One-third of the class was absent today."

"The ongoing project will finish next month."

"He spoke openly about his past mistakes."

"The team is ready for the operational phase of the project."

"The machine operator ensured that everything ran smoothly."

"The boxer defeated his opponent in the final round."

"He opposed the new policy at the meeting."

"She is strongly opposed to animal testing."

"The opposition to the new law was strong."

"Many students opt to study abroad for better opportunities."

"The optician adjusted my new glasses to fit better."

"This diet plan provides the optimal balance of nutrients."

"Winter provides optimal temperature for farming."

"Her optimism kept the team motivated during tough times."

"Even in tough times, she remained an optimist."

"She is optimistic about the success of her new project."

"The dress code for the party is optional."

"The student had to give an oral presentation."

"The orangutan swings gracefully through the forest canopy."

"The Earth moves in an orbit around the Sun."

"The orchestra performed beautifully at the concert."

"Please keep your desk orderly and clean."