1. Why are metals so important in industry?
2. What are the main metalworking processes?
3. Why are metals worked mostly hot?
4. What properties does cold working give to metals?
5. What is rolling? Where is it used?
6. What is extrusion? What shapes can be obtained after extrusion?
7. What are the types of extrusion?
2. I am fourteen (years old).
3. I'm Russian. I'm from St. Petersburg.
4. I'm a pupil.
5. My favourite sport is tennis.
6. I'm interested in music.
7. My favourite subject is English.
8. My father is a (computer) programmer. He isn't interested in politics.
9. My mother is a dentist. She is interested in art.
10. We are always busy, but we are very happy to be together.
11. Whose pen is this? — It is my pen.
12. Whose book is this? — It is your book.
13. Whose table is this? — It is my brother's table.
14. Whose bag is this? — It is my mother's bag.
15. Whose pencil is this? — It is my mother's pencil.
1. The office is cleaned twice a week.
2. Coca cola is produced in the USA
3. The letters are typed
4. Coffee is grown in Brazil
5. A lot of rice is eaten in India
6. Trees are planted in the garden
7. The window is broken by Jenny
Past simple passive
1. The "Mona Lisa" was painted by Leonardo da Vinci
2. This song was sung by the pop star
3. The house was built last year
4. This cake was baked by Mark
5. The party was organized by Helen
6. Some apples were brought to me
7. A new bicycle was given to Billy