There are few sentences in each question. Each sentence has pairs of words/phrases that are italicized/highlighted. From the italicized/highlighted word(s)/phrase(s), select the most appropriate word(s)/phrase(s) to form correct sentences. Then choose the best option.
i. I do not know who discovered [A]/invented [B] the computer.
ii. You should get your car’s breaks [A]/brakes [B] repaired before the long drive to Ladakh.
iii. As long as [A]/As far as [B] my opinion is concerned, I will not say anything against the case.
iv. Lack of awareness of environmental policies of the government has led the company tangle [A]/dangle [B] into the legal problems.