这幅画完美地例证了当时非常流行的自然主义风格。

This painting perfectly ___exemplifies the naturalistic style so popular at that time.

奥康科瓦向读者例证了伊博人民所遭受的后果。

Okonkwo serves to ___exemplify to the reader the consequences that the Igbo people were suffering.

他的行为例证了真正的体育精神。

His actions ___exemplify the true spirit of sportsmanship.