(i) As soon as morning begins a hazy smoke will (A) envelope (B) envelop the city. (ii) During the wedding, the (A) bridal (B) bridle makeup costs a fortune. (iii) In a savage (A) duel (B) dual between the militants and the security forces, many militants were killed. (iv) He is involved in an (A) illicit (B) elicit trade of drugs. One day, he will be caught.

Directions: In the following question, there are four sentences. Each sentence has pairs of words marked as ‘A’ and ‘B’ that are italicised or highlighted. Select the most appropriate word to form grammatically and syntactically correct sentences. Then, from the options that follow, choose the correct one.