AWL6. Words 21-30

someone who has a particular skill or who knows a lot about a particular subject

used before a statement that is connected to what you have just said and adds something to it

able to make changes or deal with a situation that is changing

said or explained in an extremely clear way, so that you cannot doubt what is meant

the roles, behaviours, activities, and characteristics that a particular society considers appropriate for men and women

to be greater than a number or amount

a federal country or system is one in which individual states make their own laws, but a national government is responsible for some areas

something that makes you want to do something or to work harder, because you know that you will benefit by doing this

not knowing something that you should know or need to know