Traveling can be fun and easy. A vacation trip to another country is especially （1） when the traveling conditions are good. Good traveling conditions include a comfortable mode (方式) of transportation, knowledge of the （2） 1anguage，familiarity with the customs and habits 0f the people in the country，and pleasant traveling （3）. All of US have had nice trips as this. Most of us have also had trips that we would，（4）to forget. Many conditions can produce a bad（5）experience.For example，if the four conditions listed above do not exist，we will probably have a bad experience （6） at best a difficult one Students who travel to foreign countries to study often have a difficult trip. They usually travel（7）. They don’t know the language of the new country yet. They often arrive in the new country at a huge international airport. From the airport，they need to （8）their way to their sch001. Maybe，they need to change airplanes，to take a bus，a train，or a taxi. They need to do all this in a country （9） everything is unfamiliar. Later，after the experiences are over，they can laugh. But at the （10） they feel terrible.