3 . 用方框中所给单词的适当形式填空，每词限用一次。

hundred;   worry;   wet;   glad;   since

1. Though I’m a ninth grader, my parents still ________ about me a lot.
2. The advice Lily offered was so helpful that I ________ accepted it.
3. China has sent 16 astronauts into space ________ 2003, including two females.
4. ________ of actors and actresses will attend the 25th Shanghai International Film Festival.
5. Because of global warming, the winter in this area will become ________ in history.