The old man has________ useful horse and horse can do a lot of things for him.
---Have you heard about the missing of Flight MH 370 _____?---Yes, I have ______ watched some news on TV.
The Greens used to live in London and now they ______ in Beijing.
The new supermarket ________ since last December .
My father ______ my mother when they were both 26 years old, and they have ______ for 15 years.
-Excuse me, is there ______ book by Mo Yan?-Yes. It’s on ______ bookshelf over there.