My Favorite Exercise for Beginners So Far in 2009

This is my favorite Real English exercise for beginners so far this year:

http://www.real-english.com/reo/8-d/8d-9.htm

simply because it REVIEWS 3 structures already covered quite well in RE  lessons 3, 4, and 6, and,

while introducing nothing new for beginners, it  makes the “learned material” a challenge of considerable proportions.