I didn't go to school today because I was ill. （我今天没去上学，因为我生病了。）

She was late for work because of the heavy traffic. （她上班迟到了，因为交通拥堵。）

He failed the exam because he didn't study hard. （他考试不及格，因为他没有努力学习。）

They canceled the picnic because it rained heavily. （他们取消了野餐，因为雨下得很大。）

I like reading books because it can broaden my horizons. （我喜欢读书，因为它可以拓宽我的视野。）

The baby is crying because he is hungry. （宝宝在哭，因为他饿了。）

We couldn't play football outside because the ground was wet. （我们不能在外面踢足球，因为地面是湿的。）

She was very happy because she got a promotion. （她非常高兴，因为她得到了晋升。）

He bought a new car because his old one broke down. （他买了一辆新车，因为他的旧车坏了。）

They missed the train because they got up late. （他们错过了火车，因为他们起床晚了。）

I'm tired because I stayed up late last night. （我很累，因为我昨晚熬夜了。）

The flowers are dying because they haven't been watered. （这些花快死了，因为它们一直没浇水。）

She changed her hairstyle because she wanted a new look. （她换了发型，因为她想要一个新造型。）

He lost his job because he made a big mistake at work. （他丢了工作，因为他在工作中犯了一个大错误。）

We went to the supermarket because we needed to buy some groceries. （我们去了超市，因为我们需要买一些杂货。）

The dog barked because it saw a stranger. （狗叫了，因为它看到了一个陌生人。）

I'm learning English because I want to study abroad. （我在学习英语，因为我想出国留学。）

They held a party because it was their anniversary. （他们举办了一个派对，因为那天是他们的纪念日。）

She refused the invitation because she had other plans. （她拒绝了邀请，因为她有其他安排。）

He is saving money because he wants to buy a house. （他在存钱，因为他想买一套房子。

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