Question

Choose the sentence/s containing correct use of prepositions
(a) The river flowed below a bridge.
B) The repairs of the roof were completed quickly.

And explain why?

Answer 1

Answer:

{B} The repairs of roof were completed quickly .

Explanation:

Here of has been used as a preposition because the roof is a noun phrase .

Every preposition has object which is related to the noun..

With regards

hope it helps you!