**Here are 10 examples of using the word «at» in English:**
1. I am meeting my friends **at** the coffee shop after work.
2. She works **at** a hospital as a nurse.
3. We are going to the cinema **at** 7 p.m. tonight.
4. He is sitting **at** his desk and doing his homework.
5. The concert will start **at** 8 o'clock.
6. I saw a beautiful bird flying **at** high speed.
7. They are waiting for the bus **at** the bus stop.
8. She is studying **at** university to become a teacher.
9. We are having dinner **at** home tonight.
10. The book was written **at** the beginning of the 20th century.