根据句意用所给单词的适当形式填空。
1. Taking a pair of binoculars can help you see the birds (clear).
2. At the (begin) of the concert, Tan Dun played a piece of music with water.
3. It seems (possible) for Spring Festival Gala to satisfy all 1.3 billion Chinese.
4. Yancheng has the (two) largest population of more than 8 million in Jiangsu Province.
5. The poor (home) boy often did his homework in the street by the light of a restaurant.
1. clearly 2. beginning 3. impossible 4. second 5. homeless