There will be an exhibition of the _____ of dictionary in our city next week. We can learn more about the dictionary’s history there.

I think the Beijing Olympic will develop our ________with many countries.

In autumn, many green ________ change to yellow, orange or red. 

 We can never pay you back for your __________, your ___________ and gift of knowledge.

Peter regards Liaocheng as his second        because he has lived here for ten years.