Add shells and garlic to a large pot of boiling and salted water. Cook for 5 minutes and stir in florets. Cook for 1 minute or until broccoli is tender and drain. Locate garlic clove and push through garlic press into large bowl. Add shells and broccoli to bowl. Stir in tomatoes, feta cheese, olives and oil. Toss to coat and season with salt and pepper.