完形填空。 Every summer, hundreds of thousands of students travel to other countries looking for work and adventure. Most of the opportunities are in 1 work. The pay is usually poor, but most people work 2 for the thrill of travel. You can pick grapes in France, entertain kids on American summer camps, and, of course, there are always 3 in hotels and restaurants. But it is not as easy as it used to be to find work. Unless you speak the language of the country well, there will be very 4 openings. For example, when you arrive to wash dishes in a restaurant in Paris, the owner will 5 you to speak French. British students only have a language 6 for jobs in the USA and Australia. Not every one 7 the experience. Sarah James was once responsible for forty American children in Europe. During the 8 , one child lost his passport; four children were lost in Madrid for a whole day; the whole group was thrown out of one hotel because of the 9 they made. Sarah says, 'It really was a 24-hour-a-day job since the kids never 10 ! And the pay was awful. It wasn't worth it.' The trouble is that 11 expect to have an easy time of it. After all, they see it as a 12 . In practice, though, they have to work hard. At the same time, all vacation work is casual work, and jobs are 13 only when the hotel, the restaurant, or the campsite is busy. But students have few employment 14 . As soon as the holiday season finishes, companies will get rid of them. And if their employer doesn't like them, they'll be 15 , too. (     )1. A. seasonal (     )2. A. hard (     )3. A. customers (     )4. A. good (     )5. A. teach (     )6. A. program (     )7. A. has (     )8. A. trip (     )9. A. promise (     )10. A. cried (     )11. A. children (     )12. A. job (     )13. A. countless (     )14. A. experiences (     )15. A. dismissed B. mental B. voluntarily B. visitors B. new B. expect B. lesson B. enjoys B. flight B. progress B. studied B. students B. lesson B. available B. rules B. charged C. professional C. abroad C. jobs C. attractive C. allow C. advantage C. forgets C. discussion C. complaint C. slept C. employers C. holiday C. interesting C. plans C. fined D. formal D. continuously D. parties D. few D. forbid D. exam D. remembers D. ceremony D. noise D. helped D. parents D. shame D. boring D. rights D. punished