----Look at the boy running on the playground. Is it David?---- It ______ be him. I saw him go to the teachers’ office just now.
We can ________ some food________ the supermarket.
We have sweaters ________ all colors ________ ¥50 each.
________ your mother ________ carrots?
Let’s ________ and ________ football on the playground.
— Is your photo in the drawer? —________.