Match the new words with their descriptions.
1) use (n)
2) tool (n)
3) function (u)
4) purpose (n)
5) function (n)
6) simple (adj)
7) contine
a) not difficult, easy to understand
b) to work or to operate
c) to go on over a long peroid of time
d) the role that the object has or the purpose for which it is used
e) the reason for which something is done
f) the act or way of using something
g) a simple instrument used for doing special jobs