1.
a small object that you press to make a machine start working or perform a particular action
2.
to choose something on a computer screen, usually from a menu (=list) of choices
3.
based on the most recent methods or ideas, very developed
4.
adjective describing something is likely to harm or damage or destroy something
5.
a journey to a place to learn about it or to search for something valuable such as oil
6.
describing something or someone from another country, or in another country
7.
to become larger in amount or number
8.
success that you have by chance and not because of anything that you do
9.
to say you will not do something that someone has asked you to do
10.
the right to do something that is given to you by someone in authority
11.
not normal, common, or ordinary
12.
to add something at a point in a document or series
