Put the sentences (a-c) in the correct order, then fill in the blank to make a logical text.

I had a brilliant experience by the sea with my class last year. _____
a. In the afternoon, an instructor taught some of us snorkelling and it was exhilarating.
b. It was also wonderful to see a coral reef and many types of colourful fishes swimming around.
c. We joined team-building activities in the morning.