Direction : The following sentences improve the underlined part with the help of given options:

She lived at the middle of a great wood.

 The correct answer is 'in the middle of'.

Key Points 

• The error lies in the usage of 'at the middle of' instead of 'in the middle of'.
• In the given sentence, we are talking about someone who lived in(expressing the situation of something that is or appears to be enclosed or surrounded by something else) the middle of a great wood.
• As the preposition at is used in expressing location or arrival in a particular place or position i.e not in accordance with the context of the given sentence.
• Hence, the correct answer is option 2.

 
Correct Sentence: She lived in the middle of a great wood.