Question : Fill in the blanks with appropriate prepositions :
The flag of our country should be .................... the top of the president's house.
Option 1: on
Option 2: at
Option 3: of
Option 4: in
Correct Answer: at
Solution : The correct answer is option 2.
Explanation:
At can be applied to very specific places
At refers to a position or location perceived as a point:
Example:
There was no one at the door