第1个回答 2011-06-04
goes hiking or traveling in his spare time/ when he's free
第2个回答 2011-06-04
Tom either goes hiking or goes travelling in his spare time
第3个回答 2011-06-04
Tom either goes hiking or goes on a trip in his spare time.
第4个回答 2011-06-04
Tom in my spare time not in hiking is to travel