首字母填空。 1. I got lots of g______ on my birthday. 2. Would you like to p______ some milk into the glass? 3. He won the first prize in the singing c______. 4. You should keep c______ in front of danger. 5. P______ is one of the most important problems in the modern world. 6. I don't play sports every day,because I have less f______ time for myself. 7. There are many tall b______ in our city. 8. Who do you think will w______ the World Cup? 9. The girl likes playing the piano,because she wants to be a p______. 10. I got Liu Xiang's a______ in Beijing last year.