He was very happy when he got the present.（当他收到礼物时，他非常开心。）

She was reading a book in the library yesterday afternoon.（昨天下午她在图书馆里读书。）

The weather was sunny last Sunday, so we went on a picnic.（上周日天气晴朗，所以我们去野餐了。）

I was late for school this morning because of the traffic jam.（由于交通堵塞，我今天早上上学迟到了。）

Tom was playing football with his friends after school.（放学后汤姆和他的朋友们在踢足球。）

The movie was really exciting and we all enjoyed it.（这部电影真的很刺激，我们都很喜欢。）

My mother was cooking dinner when I got home.（我到家的时候妈妈正在做晚饭。）

They were singing and dancing at the party last night.（昨晚他们在聚会上又唱又跳。）

The old man was sitting in the chair, looking out of the window.（老人坐在椅子上，望着窗外。）

The baby was sleeping soundly in the cradle.（婴儿在摇篮里睡得很香。）

It was a difficult task, but he managed to finish it.（这是一项艰巨的任务，但他设法完成了。）

Mary was listening to music while doing her homework.（玛丽一边做作业一边听音乐。）

The building was built many years ago.（这座建筑是很多年前建造的。）

His father was ill last week and he took care of him.（他父亲上周生病了，他照顾他。）

We were surprised to see him at the airport.（我们在机场见到他很惊讶。）

The flower was very beautiful and smelled sweet.（这朵花非常漂亮，闻起来很香。）

She was wearing a new dress at the wedding.（她在婚礼上穿着一条新裙子。）

The dog was running after a cat in the garden.（狗在花园里追赶一只猫。）

The boy was doing his best to solve the problem.（这个男孩在尽最大努力解决问题。）

The city was decorated with colorful lights during the festival.（节日期间这座城市用彩灯装饰起来。）