根据句意和汉语提示，在空白处填入适当的单词。 1. —What's the news about? —It's about Hangzhou Bay Bridge, the world's ________ (最长的) sea bridge. 2. ________ (尽管) it didn't snow heavily, temperatures have fallen sharply since then. 3. A powerful earthquake hit Wenchuan in ________ (西南方) China's Sichuan province on May 12th. 4. —Do you know the song 'Love in Beijing'? —Sure. It is _________ (演唱) by Son Nan, a well-known Chinese singer. 5. Finally help reached the flood victims in the damaged village _________ (成功).