语法填空
Volunteering to help people in need combined____travelling to faraway places is ____ new trend in the travel industry. It is called voluntourism. People travel to other countries, learn languages and other cultures and gain new____ ( experience ). Recent statistics show that in the past few years voluntourism ____ ( be) one of the fastest - growing areas of tourism, More than 1.6 million people around the world are volunteers in other countries. They work in orphanages (孤儿院), help build schools, assist in hospitals and do farming work in____ (develop) countries. There are many reasons ____ people want to engage in voluntourism, Students see it as a gap year after school, while others ____ (simple) want to take time out from a job and do something else. However, some voluntourists do not see volunteering ____ what it is. They only think it is a cheap way ____（travel）and don't really want to get____ （involve） in hard work.
