1. (2019·温州模拟) 用方框中所给单词的适当形式填空。每词限用一次。

they  speak     whatever   humorous  century

1. （1） problems you meet, you should make an effort to deal with them.
3. （2） It's important for teenagers to look after when they are home alone.
5. （3） You can see objects and paintings from different in the Louvre Museum.
7. （4） Mr. Johnson was quite and we enjoyed his class because he always made us laugh.
9. （5） More and more foreigners study in Confucius Institute and Chinese widely all over the world now.