While I was doing my homework, my mother was cooking dinner in the kitchen.（我在做作业的时候，妈妈在厨房做晚饭。）

She listened to music while she was cleaning the house.（她打扫房子的时候听着音乐。）

While he was running in the park, he saw a beautiful bird.（他在公园跑步的时候，看到了一只漂亮的鸟。）

They were having a picnic while the sun was shining brightly.（阳光明媚的时候，他们正在野餐。）

While the children were playing outside, their parents were chatting inside.（孩子们在外面玩耍的时候，他们的父母在屋里聊天。）

I read a book while waiting for the bus at the station.（我在车站等公交车的时候读了一本书。）

While watching TV, she fell asleep on the couch.（她在看电视的时候，在沙发上睡着了。）

He practiced the piano while his sister was doing her painting.（他妹妹画画的时候，他在练钢琴。）

While walking in the forest, we heard strange sounds.（我们在森林里散步的时候，听到了奇怪的声音。）

The students were discussing the problem while the teacher was listening.（学生们在讨论问题，而老师在一旁倾听。）

While it was raining heavily, we stayed at home and played games.（雨下得很大的时候，我们待在家里玩游戏。）

She made a phone call while driving, which is very dangerous.（她开车的时候打电话，这非常危险。）

While the baby was sleeping, the mother quietly left the room.（宝宝睡觉的时候，妈妈悄悄地离开了房间。）

They were singing songs while rowing the boat on the lake.（他们在湖上划船的时候唱歌。）

While studying for the exam, he found some important information.（他在备考的时候，发现了一些重要信息。）

I took pictures while visiting the famous scenic spot.（我参观著名景点的时候拍了照片。）

While the dog was chasing the cat, they ran around the yard.（狗追猫的时候，它们在院子里跑来跑去。）

She was writing a letter while thinking about her old friend.（她一边想着老朋友，一边写信。）

While the band was performing on stage, the audience cheered loudly.（乐队在舞台上表演的时候，观众大声欢呼。）

He was doing exercise while listening to the radio in the morning.（早上他一边听收音机一边做运动。

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