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

To my great ______ , he finished the work only in a few days.

— You must be thirsty after walking for such a long time. — Yes. Please give me some　　　 to drink.

 —What are these?—They’re _______ and _______. 

---You are so happy. What’s the _______?---I’ve got a new bike from my mother.