5. choose the correct answer.
1) if something is a piece of cake, it is
a) easy
b) difficult
2) somebody who is a couch potato
a) does a lot of sport
b) watches a lot of tv
3) if somebody is a big cheese, he or she is
a) an important person
b) a serious person
4) when two people are like chalk and cheese, they are very
a) different
b) similar
5) if you tell somebody to spill the beans, you want them to
a) do something they don't enjoy b) tell you a secret​