Correct Answer: To do your full share of work

Solution : The correct choice is the first option.

Explanation : The idiom "to pull your weight" is an expression that originates in the context of teamwork and collaboration. It means to fulfil or carry out one's fair share of the work or responsibilities within a group or task. The phrase emphasises the importance of everyone contributing adequately to achieve a common goal.

Therefore, the correct meaning of the idiom is, to do your full share of work.