—Look at the boy running on the ground. Is it David?—It be him. I saw him go to the teacher’s office just now.
There is a river ____ my house.
— What were you doing yesterday afternoon? — We were singing ____.
Bill doesn’t do well in his English. So his father asked a teacher ____ him ____ it.
— ____ do you think of the story? — Just so-so.
— ____ is it for the dance lesson? — It’s 100 yuan.