动词应用。阅读下面短文，用括号内所给动词的适当形式填空 (必要时可加情态动词或助动词)。请将答案写在题后横线上。
A 14-year-old boy from the USA was described（描述）as a hero yesterday ,because last Friday he______(save) the life of a woman in another country．
Dean Bluesy from Dallas，Texas，is a school boy and he______ (have)much  interest  in computer．One day，while he ____ ( send) an email to a friend on the Internet, suddenly he received a message saying “Help! Pain! Help!”．The message ______ (be) from Finland， thousands of kilometers away from America．
“I didn't know what ______ (do)，”Dean said to a reporter afterwards．“It was really difficult _____ (know) if the message was real．”So Dean did nothing at first．But the message kept___ (come)．
“By then it was easy to see that someone was in trouble,” Dean explained. He replied and discovered that the sender was a student_____(call)Tina, who was alone in a university library. She was ill. What was worse, there was no phone around her. Her only best way___________ (communicate) with the world was by email. Dean got in touch with the police immediately. And they realized that the situation was quite serious. They called the police in Finland. Then an ambulance(救护车) rushed to the library. Luckily, she was still alive and_________(send) to the hospital quickly.
“I'm glad she's OK,” Dean said. “It's hard to believe, but email saved her life.”
请将答案写在横线上。