Question

Fill in the blank with the most appropriate preposition:

I am not good _______ repairing things.

• A. for
• B. of
• C. at
• D. on

Answer 1

Answer: (C)

Here, 'at' is correct because it is used to say that somebody/something is as good, bad, etc. as they can be, here it is 'at' repairing things.
; For' is incorrect because it is used to show who is intended to have or use something or where something is intended to be put.

'Of' is incorrect because it implies belonging to somebody; relating to somebody.

'On' is incorrect because it implies in or into a position covering, touching or forming part of a surface.