“Reduce” is a common verb that all candidates should easily be able to use and understand in the B2 First exam. It means to make something less, and is commonly used when talking about bad things or habits.
Examiner: “What do you think can be done to help stop climate change?”
Reduce: “Well, I think we need to reduce the amount of pollution that is currently happening with cars and air travel…”
In order to lead a healthy life it is important to (3)…… the amount of junk food that we are consuming.