Choose the best topic from A to F according to the meaning of each paragraph.
International travelers, whether traveling for business or pleasure, will find themselves alone from time to time. Here are a few ways to meet new people and perhaps even get new travel chances.
(    )61. Be polite and friendly. Remember to put yourself in social situations. Restaurants, shops and parks are all great places to meet people. If you want to make local friends in a country, stay near the places the locals often visit.