Fill in the blanks with the most appropriate phrasal verb from the alternatives given under the sentence.

In her old age she has no one to _________ her.

Look after

The correct answer is Option (2) - Look after

• "Look after" is a phrasal verb that means to take care of someone or something, which is the appropriate choice for the given context about caring for someone in old age.

• "Look at": Incorrect, as it means to direct one's gaze at something.
• "Look for": Incorrect, as it means to search for something or someone.
• "Look ones": Incorrect, as it is not a valid phrasal verb.