1. (2020·松阳模拟) 用方框中所给词语的适当形式填空。每词限用一次。

six    wheel    sleep    smell    Russia

1. （1） Leo Tolstoy was a great  writer.
3. （2） The front  of the car has come off.
5. （3） Chess began in India before the  century.
7. （4） Jack often studies until very late so he feels  in class.
9. （5） Lily put some flowers in the room to make it  pleasant.