用所给单词的适当形填空。
l. We know many ________ ( hero) in the movie.
2. I was _________ at the ________ news very much ( surprise).
3. I happened___________(see) my teacher on the way to school.
4. After two hours' discussion, they made a hard__________(decide).
5. Tom is so___________ (luck) that he wins the contest again.