help me ----- Nội dung dịch tự động từ ảnh ----- Each summer hundreds of volunteer work projects (or work camps as they are called abroad) take (1) _________ all over Europe and the United States of America. These projects offer young travellers an exciting opportunity (2) to spend two or four weeks working on a community service project for free room and board. Volunteers have the (3) ch____ to learn more about the local
