Fill in the blank with the appropriate preposition: She lives in Perth. She owns a house _____ the Swan River.
A
over
B
in
C
at
D
on
Correct Option:
D
Explanation
A house located beside or directly along the bank of a river is idiomatically described as being on the river. Thus "a house on the Swan River" is the standard expression. "In" would suggest being inside the river itself.
