"At a stone's throw" means at a very short distance.

The most appropriate meaning of the given idiom is 'Object to'. The definition of it is as follows: Take exception: Disagree with, object to, or to be offended or made angry by something or someone.

The correct answer is "someone or something new and refreshing". Given Idiom: Breath of fresh air means someone or something that makes a situation feel new, different, and exciting. For example, The beautiful new paint colour is a breath of fresh air for the office.

The correct answer is 'went to bed'. To Hit the sack means to go to bed. After the long journey, he hit the sack as soon as he reached home.

The idiom, 'to be in the doldrums' means 'to be depressed, low spirited or sluggish'. The use of the idiom can be seen in the following sentence: Harry has been in the doldrums ever since he lost his job as a print journalist.

The correct answer is- a positive outlook on life. Let's look at the meaning of the given idiom: Rose-coloured glasses- the tendency to see things in a positive light.

The correct answer is Always thinking of only one thing. Let's look at the meaning of the given idiom: One-track mind: used in reference to a person whose thoughts are preoccupied with one subject or interest.