<p>I think that you can go back to your high school straightly to see your teachers. On one hand, it’s more respective for your teachers to be greeted. On the other hand, they will consider that you are the most impressive student in their teaching life. Oh, don’t forget to bring some snacks, such as, cakes, candy and drinks. Also, it’s a good idea to visit your teachers on Happy Teacher’s Day. You can bring your hand-made card to them to show your mind.</p>