EXERCISE PREPOSITIONS IN, ON, AT

1) He's swimming the river. .

2) Where's Julie? She's school. .

3) The plant is the table. .

4) There is a spider the bath. .

5) Please put those apples the bowl. .

6) Frank is holiday for three weeks. .

7) There are two pockets this bag. .

8) I read the story the newspaper. .

9) The cat is sitting the chair. .

10) Lucy was standing the bus stop. .

11) I'll meet you the cinema. .

12) She hung a picture the wall. .

13) John is the garden. .

14) There's nothing TV tonight. .

15) I stayed home all weekend. .

16) When I called Lucy, she was the bus. .

17) There was a spider the ceiling. .

18) Unfortunately, Mr Brown is hospital. .

19) Don't sit the table! Sit a chair. ..

20) There are four cushions the sofa.

Tomado de: http://www.perfect-english-grammar.com/prepositions-of-place-exercise-1.html