Generally, dormitories are occupied by students. 一般而言，学生宿舍由学生居住。

The war began when Iraq tried to occwpy Kuwait.伊拉克试图占领科威特，战争由此爆发。

occur vi.①发生，出现②想到（to)

Quarrels occwr in every family.每个家庭都会发生争吵。

The idea of selling the farm has never occurred to me before.我以前从未有过卖农场的想法。

odd adj.奇异的，古怪的

It is odd to find a person who speaks many languages.竟然能找到一个会说许多种语言的人，真是奇怪。

offend v.触怒，冒犯；违反

Her little boy’s lack of good manners offheended her.她的小儿子没礼貌的行为让她很生气。

offer n.出价；提议；提供

They made me an offer I couldn’t reflise.他们给我出的价，我无法拒绝。

We offered to help him but he said he didn’t need it.我们主动提出帮助他，但他说自己不需要帮助。

omit vt.省略，省去；忽略

You may omit questions nine and ten because they do not apply to students.你可以忽略问题九与问题十，因为这两个问题不适合学生回答。

opportunity n.机会，时机

Winning the contest gave me the opportunity to quit my job.赢得这场比赛，让我有机会辞掉工作。

opposed adj.反对的

We're going to the seaside this year as opposed to the mountains.要去海边，而不是去爬山。

optical adj.视觉的；光学的

I was given an optical examination to determine my range of vision.我接受了视力检查，来确定我的视野。

optimistic adj.乐观的

She is optimism about her chances of winning a gold medal.她乐观地相信自己有赢得金牌的机会。