3. Fill in: 1) paths 2) through 3) along 4) perfect 5) activities 6) swimming 7) dirty. There are two extra words. A. We spent most of our time in the forest exploring its hidden A B. Hiking B the forest was one of our favorite activities. C. We loved C in the river on hot June afternoons. D. The clear river was D for swimming and canoeing. E. The daily E were always exciting and lots of fun.