完形填空。 St Patrick's Day (圣帕特里克节) is one of the most important festivals in Ireland. It is 1 March 17. It is not only an important holiday in Ireland 2 a day when everyone wants to be Irish. It became a 3 holiday in 1903. The first St Patrick's Day celebration took place not in Ireland, 4 in the United States. The first American celebration of St Patrick's Day 5 in Boston in 1737. St Patrick's Day is a time to wear green and hold parties. People will usually 6 the color of green when they talk about St Patrick's Day in modern times. Green is the color of 7 and Ireland. People wear green and carry little green leaves. They believe that these can bring themselves good 8 . Some people even color their hair green for the celebration. And they look really funny. It's a 9 for families to go to church in the morning and celebrate the festival in the afternoon. Today, people 10 St Patrick's Day in America, Canada, Australia and some other countries. (     )1. A. at (     )2. A. so that (     )3. A. nice (     )4. A. or (     )5. A. is (     )6. A. think of (     )7. A. food (     )8. A. luck (     )9. A. pity (     )10. A. notice B. in B. but also B. small B. but B. was B. look for B. spring B. work B. time B. choose C. on C. would rather C. public C. and C. were C. write down C. weather C. house C. tradition C. celebrate