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

(i) The house looked out over a blank and (A) desolate (B) dissolute landscape. (ii) All teachers should maintain a (A) dairy (B) diary to keep a record of the students under their charge. (iii) Batter is prepared by mixing (A) floor (B) flour with other ingredients. (iv) Women who wear high (A) heals (B) heels soon develop chronic pain in their hips.