—Hey, Jack. You ________ on the phone just now. But you weren’t here and the man left a phone number.—Oh? I was in the library.
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.
There ____two football matches at school next month.