Directions: In the sentence, certain words are in bold and numbered from A to H, which are the possible pairs to be interchanged. Choose the pair(s) of the words that need(s) to be interchanged to make the sentence grammatically correct and meaningful.

a. The low-calorie version(A) of the beer was developed(B) at the boisterous(C) of weight prescribed(D) individuals. 

b. As behest(E) as you are, I am surprised(F) your doctor has not conscious(G) anxiety medication(H).