Directions:- Look at the underlined part of the sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (1), (2) or (3) is better than the underlined part, indicate your response against the corresponding number (1), (2) or (3. If none of the substitutions improve the sentence, indicate (4) as your response 'No improvement'.

The decent from the mountain peak was slow and painful.