完形填空。 It is interesting to visit another country, but there are sometimes problems when we don't know the 1 very well. It may be 2 to talk with the people there. We may not know how to use the telephone in the country we are visiting. We may not know how to buy the 3 we need. In a 4 country we might not know where to eat or what to order in a 5 . It is not easy to decide how 6 to tip (给小费) waiters or taxi drivers. When we need help, we might not know how to ask for help. It is not pleasant to have an experience 7 that. 8 a short time, however, we learn what to do and what to 9 .We learn to enjoy life in another country, and then we may be 10 to leave. (     )1. A. people (     )2. A. easy (     )3. A. things (     )4. A. strange (     )5. A. school (     )6. A. often (     )7. A. as (     )8. A. Before (     )9. A. speak (     )10. A. sorry B. country B. difficult B. shopping B. known B. shop B. many B. for B. After B. talk B. glad C. language C. happy C. something C. native C. restaurant C. soon C. like C. For C. tell C. worried D. words D. tired D. anything D. new D. hospital D. much D. with D. In D. say D. interested