How can you tell that the wife was listening carefully?
The wife was listening carefully because she says 'Ssssh! Listen!' to her husband, asking him to be silent.
She notices that someone is trying to get in before her husband does.
She also says 'I think he has got in' showing that she was paying close attention to the sounds and tracking the thief's movements.
Explanation
The wife's dialogue shows her alertness. She is the first to notice the sounds, she signals her husband to be quiet, and she tracks the thief's progress into the house. Her statements show she is actively listening and interpreting the sounds she hears.
Solution Steps
The wife says 'Ssssh! Listen!' to her husband, asking him to be silent
She notices that someone is trying to get in before her husband does
She says 'I think he has got in' showing she was tracking the thief's movements