Describe a time that answer phone call from person who you don't know in public place

Now I'm going to talk about one memorable experience when I received a strange phone call from someone in a public place. I didn't know how the caller got my phone number, but when my phone rang, I was in my class. I saw an unknown number and decided to ask my teacher for permission [...]

So I would go for a time I was in a cafe and received a strange number. I remember that I was sitting in a local cafe and working on my deadlines at school, trying to complete all the homework and tasks. Then suddenly, I received a call from an unknown number, and the voice [...]

I'm going to describe a time I received a phone call from a stranger in a public place. It happened a year ago when I was having coffee at a shop near my house. My phone rang, and the caller ID didn't show any name. The number wasn't familiar either. At first, my mother suggested [...]