1. (2020九上·金华月考) 用方框中所给单词的适当形式填空，每词限用一次。

dish   found   twenty   nature   across

1. （1） Jason is a good boy. He often helps his mother wash the .
3. （2） Jinhua No 1.Middle School was more than 100 years ago.
5. （3） One of the wonders of the world is Mt. Qomolangma.
7. （4） He was the most famous writer in the century.
9. （5） The river is wide. We can't swim it.