Here are the sentences rewritten using a cleft sentence structure:

a. **What** made this show really special was the small, intimate venue.

b. **The thing** that really impressed me was the artist's talent.

c. **The reason** I love her designs is that they are so modern and fresh.

d. **Something** that I particularly remember is the incredible costumes and scenery.

e. **The reason** I’m not very keen on this type of modern art is that I find it inaccessible.

f. **The thing** that makes this film worth seeing is its fascinating story.

g. **What** I didn’t like about the book was that the story was too complicated.

h. **The reason** the film made me realize what difficult lives some people lead is its powerful storytelling.