When you return something to someone, you 'give it back'.
Explanation
Test of English for International Communication (TOEIC)
When you 'figure out' something, such as the answer to a question, the solution to a problem, or why a person is a certain way or acts a certain way, you thin about and succeed in understanding it.
To 'distract' is to take someone's attention away from something by making them look at or listen to something else.
To 'intensify' is to increase in degree or strength, or to make something do this.
To 'extend' is to continue for a longer period of time, or to make something last longer.
conduct - (noun) the way someone behaves, especially in public, in their job etc
When you 'feel up to' doing something, you have the confidence or energy to do it.
When you 'put on' weight, you gain weight.
When people 'throw up', they vomit.
Something that is 'erratic' does not follow any pattern or plan but happens in a way that is not regular.