Directions: In the question, there are three / four sentences. Each sentence has pairs of words/phrases that are italicized and highlighted. Select the most appropriate word or phrase to form grammatically and syntactically correct sentences. Then, from the options given, choose the best one.

I. There is no need to alter (A) / altar (B) the sequence of events accept (A) / except (B) if there is an unforeseen incident. II. The stare (A) / stair (B) of the police officer was enough for the suspect to blurt out the truth. III. His childlike (A) / childish (B) behaviour resulted in smiles on the faces of many spectators.