---What are in your pencil box, Mike?--- Some _____ are in it.

I received a number of ________, but ________ of them is valuable to me.

--- What’s your favourite __________? --- Blue. 

--What is Miss Gao's favourite________?--She is always in pink. Don't you know?

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