She was happy to see her old friends at the party.（她在聚会上见到老朋友们很开心。）

He was late for school because of the traffic jam.（由于交通堵塞，他上学迟到了。）

It was sunny yesterday, so we went to the park.（昨天天气晴朗，所以我们去了公园。）

They were excited about the upcoming trip.（他们对即将到来的旅行感到兴奋。）

I was tired after a long day at work.（工作了一整天后我很累。）

The movie was really interesting and we all enjoyed it.（这部电影非常有趣，我们都很喜欢。）

Her dress was beautiful and attracted everyone's attention.（她的裙子很漂亮，吸引了每个人的注意。）

The baby was sleeping soundly in the crib.（婴儿在婴儿床里睡得很香。）

We were having dinner when the phone rang.（电话响的时候我们正在吃晚饭。）

He was playing football with his friends in the afternoon.（下午他和朋友们在踢足球。）

The book was written by a famous author.（这本书是一位著名作家写的。）

She was singing a lovely song at the concert.（她在音乐会上唱了一首动听的歌。）

It was cold outside, so we put on warm clothes.（外面很冷，所以我们穿上了暖和的衣服。）

They were discussing the problem seriously in the meeting.（他们在会议上认真地讨论这个问题。）

I was reading a novel when my mother came back.（妈妈回来的时候我正在读一本小说。）

His speech was inspiring and encouraged us all.（他的演讲很鼓舞人心，激励了我们所有人。）

The flowers were blooming brightly in the garden.（花园里的花开得很鲜艳。）

She was waiting for the bus at the station for a long time.（她在车站等公交车等了很长时间。）

We were surprised to hear the unexpected news.（听到这个意外的消息我们很惊讶。）

The building was built many years ago and still stands firmly.（这座建筑是很多年前建造的，至今仍然坚固屹立。）