例句與造句

1. He competed for Bohemia at the 1912 Summer Olympics.
2. He competed for Bohemia at the 1912 Summer Olympics and for Czechoslovakia at the 1920 Summer Olympics.
3. He competed for Bohemia at the 1912 Summer Olympics and for Czechoslovakia at the 1920 Summer Olympics and 1924 Summer Olympics.
4. It's difficult to find bohemia at the 1912 summer olympics in a sentence. 用bohemia at the 1912 summer olympics造句挺難的