1. Steven and his son _____ hiking in woods every summer. 2. I don't have much free time, sometimes I ______ soccer with my friends. 3. Tell me, where are you going to _______ skiing this winter? 4. Karate is a great exercise for me but learning how to ______ karate well takes a lot of time. 5. Why don't we ______ a set of tennis? 6. He wants to _______ sailing between the Hawaiian islands in this summer.