Может кто делал эти задания?

When you own a company, you are personally interested in running it efficiently.

The Government influences spending on particular goods and services.

A complex trading organization is based upon a system of credit.

These students are studying the science of economics.

Metal is used in the production of medals.

Your employer (= the company you work for) is responsible for ensuring safety in the workforce.

In fact, Gravers have made us a favour by launching their product first. We can learn from their mistakes.

There are now facilities for training people who have lost their jobs or are threatened with unemployment.

Economics studies the ways in which people apply their knowledge to the gifts of nature in order to satisfy their needs.

Объяснение:

He is busy. He has .NO..(31) time to go to the cinema with us. ..NOBODY (32) liked that play: it was very dull Have you ..ANY.(33) questions? Ask me ..ANYTHING. (34) you like, I shall try to answer ..ANY.(35) question. 
1) They are busy now, they are  discussing) an important problem.
2) They have been discussing it since two o’clock.
3) Both grown-ups and children are fond of playing computer games.
4) My friend  has a good ear for music. 
5) He has been playing the piano since five years old.
6) Look! The boys have broken the window and now they are running away.
7) Let’s go, the train has already arrived.
8) When did you  visit) our city for the first time?
9) He had collected thousands of stamps with pictures of famous people before he gave up philately.
10) You shouldn’t speak loudly when you are fishing.
1) I always design dresses miself
2) They are Liz and Max. And the little girl is their sister.
3) You can see yourself in the mirror.
4) Is it your key? – Yes, it’s mine
5) I can’t find my books. I don’t remember where I put them