Complete the word combinations with the prepositions
at, of , on , in , to , by

1) To laugh ... the story; 2)... the back of the garden; 3)...the back of the car; 4) to snand with one`s back... ; 5) ... fact ; 6) to do something ... one`s own ; 7) ... her surprise ; 8) a garden full ...
flowers; 9) to be surprised ... the answer; 10) ... the back of the classroom.

1) To laugh at the story; 2) at the back of the garden; 3) in the back of the car; 4) to stand with one's back to; 5) in fact; 6) to do something on one's own; 7) to her surprise; 8) a garden full of flowers; 9) to be surprised by the answer; 10) at the back of the classroom.