1. 根据句意，用方框中所给词或短语的适当形式填空，每个词或短语仅能用一次。

lesson, hero, smart, in a happy way, laugh

1. （1） I like reading stories which end.
3. （2） Danny, you should learn somefrom the mistakes.
5. （3） I can't helpwhen I watch the cartoon.
7. （4） —This question is too difficult.

   —You can ask Lucy for help. She is very.

9. （5） My cousin is always able to do everything well and he is a greatin my eyes.