由于不清楚你所说“a”具体要求，以下分别按照不定冠词“a”和字母 “a” 两种情况为你造句： 不定冠词“a”造句 I have a book.（我有一本书。）

She is a teacher.（她是一名教师。）

He has a dog.（他有一只狗。）

There is a tree in the garden.（花园里有一棵树。）

I saw a beautiful bird this morning.（我今天早上看到了一只漂亮的鸟。）

It's a sunny day today.（今天是个晴天。）

My father bought a new car.（我爸爸买了一辆新车。）

We had a delicious dinner last night.（我们昨晚吃了一顿美味的晚餐。）

This is a very interesting movie.（这是一部非常有趣的电影。）

She wants to be a singer.（她想成为一名歌手。）

He gave me a nice gift.（他给了我一个漂亮的礼物。）

There is a supermarket near my house.（我家附近有一家超市。）

I need a pair of shoes.（我需要一双鞋。）

It takes me a hour to get to school.（我花一个小时到学校。）

They are having a party now.（他们现在正在举办一个派对。）

A cat is sleeping on the sofa.（一只猫正在沙发上睡觉。）

I have a headache.（我头疼。）

He is a hardworking student.（他是一个勤奋的学生。）

She drew a picture of her family.（她画了一幅她家人的画。）

We took a bus to the park.（我们乘公共汽车去了公园。）

字母 “a” 在单词中的造句 Apple is a kind of delicious fruit.（苹果是一种美味的水果。）

The baby is so cute and always says "a" sounds.（这个宝宝很可爱，总是发出“啊”的声音。）

Dad asked me to make a plan, but I got a bit confused at first.（爸爸让我制定一个计划，但一开始我有点困惑。）

I can see a big ant carrying a small leaf.（我能看到一只大蚂蚁正搬着一片小叶子。）

At the airport, there are a lot of people waiting for their flights.（在机场，有很多人在等他们的航班。）

The rabbit ran across the yard and disappeared behind a bush.（兔子跑过院子，消失在一丛灌木后面。）

After a long day at work, he just wants to relax at home.（工作了一整天后，他只想在家放松。）

An artist is painting a beautiful landscape.（一位艺术家正在画一幅美丽的风景画。）

The alarm went off and woke me up early in the morning.（闹钟响了，一大早就把我吵醒了。）

A boy named Tom won the first prize in the competition.（一个叫汤姆的男孩在比赛中获得了一等奖。）

I added a little sugar to my coffee to make it sweeter.（我往咖啡里加了一点糖，让它更甜。）

The cat is lying on a mat, looking very lazy.（猫躺在垫子上，看起来很懒。）

A car suddenly appeared around the corner and almost hit a cyclist.（一辆汽车突然在拐角处出现，差点撞到一个骑自行车的人。）

We are going to plant a tree in our backyard this weekend.（这个周末我们打算在后院种一棵树。）

A girl with long hair is singing a beautiful song on the stage.（一个长发女孩在舞台上唱着一首动听的歌。）

According to the weather forecast, it will be a rainy day tomorrow.（根据天气预报，明天会是一个雨天。）

The old man is sitting on a bench, feeding the birds.（老人坐在长椅上喂鸟。）

A star twinkled brightly in the dark sky.（一颗星星在黑暗的天空中闪烁。）

I made a mistake in my math homework and had to correct it.（我在数学作业中犯了一个错误，不得不改正。）

A balloon flew up into the sky and soon became a tiny dot.（一个气球飞上天空，很快变成了一个小点。

）