Ответ:
Last Saturday I was in the museum.
I was there with my classmates and our head teacher.
That was really interesting and exciting!
While I was looking at different showpieces, I felt surprised and exciting!

Объяснение:

Можно ещё добавить:

And I wasn't bored all that time we spent at the museum, because I always saw something new for me and I was too busy for being moody!

Но это уже по желанию