The police investigated into the matter.

  1. with the matter
  2. at the matter
  3. the matter
  4. No improvement


the matter

The correct option is C.

Student Login

Login or join now!

Money Back Guarantee

Your purchase includes 100% 7-day money back guarantee.


If you are, for any reason, not entirely happy with your purchase, we will cheerfully issue you a full refund.