根据句意和括号内所给单词的适当形式写出单词。

1. The light is red. You must wait. It's _______ (danger) to cross the road.

2. What's the _______ (mean) of this word, do you know?

3. Jenny is very kind. She often shares her              (toy) with her friends.

4. My room is not as big as my _______ (brother).

5. Your sister is too young to dress _______ (she). Please help her, Ann.