—Do you know the tower ___ in the heart of the city?—Do you mean the one ___ to the north of the city library?

The survey ____ in our school last month shows that about three percent of the students are addicted to the Internet games.

 –Did you get your pay?  –Yes, I remember ______. But I forget the exact amount.

       __on a chair, he read an interesting storybook.

_______behind a tall tree, the little girl was not noticed by anybody at all.