We can have ___ bluer sky if we create ___ less polluted world.

----- Do you play _________ piano in your free time?
----- No, I like sports. I often play ________ soccer with my classmates.

I bought _______ English-Chinese dictionary. _______ dictionary is very useful.

We can have ___ blue sky if we create ___ less polluted world.

They had _______ wonderful train ride to Chengdu before they went on to _______ Mount Emei by bus.

—What colour is _______ orange ?   —It's____ orange .

Beijing is _________ capital of China and it is _________ city with many places of interest.

---Jim is coming by _______ plane tomorrow.
---Let’s go to ________ airport to meet her.

—The presidents of China and Russia had ____ interview a short time ago.
—And it was ____ great success.

—Does Mary like playing ____ guitar?
—Yes. And she likes playing ____ soccer, too.
A. the; the           B. 不填; the         C. the; 不填