He _____ articles for our wall-newspaper these three years, and he _____ about forty articles

Could you tell me where your hometown is—It ________ in a village in the southeast of Shandong Province.

Is there________ book by Mo Yan —Yes. It’s on______ bookshelf over there.

The air in big cities _____very dirty by factories.

Can you tell me ________ from here–About five miles.