Choose the correct words.

When you go for a pedicure, there’s usually just one ... . Your toes are worked on by 150 ... fish! This is exactly what I experienced recently when I agreed to try a “fish pedicure” at a local ... salon. The ... involves you plunging your feet into a tank that is full of toothless ‘doctor fish’ so that they can nibble your ... skin away. As I sat nervously at the edge of the tank and saw the huge number of fish ... around, I was a little concerned that they wouldn’t know when to stop eating! But as I finally dipped my feet in the tank and these ... swarmed around them, I couldn’t believe how ... they were. In fact, it really tickled and I couldn’t help but laugh out loud. Afterwards, I was astonished by how smooth my feet felt. I felt like I should have thanked these fish!