Choose the right variant.
1. Flash memory is a type of … (volatile/non-volatile/permanent) memory that can be electronically erased and reprogrammed.
2. When you … (run/operate/apply) a program, your PC opens a window that lets you work with different tools.
3. In order to keep your information save it is advised to make a … (disc/back up/storage device).
4. CPU is a small piece of silicon with a complex electrical circuit called … (motherboard/integrated circuit/expansion circuit).
5. The … (registers/buses/drives) are high-speed units of memory used to store and control data.
6. The … (aspect ratio/RAM/bus width) determines how much data can be transmitted.
7. … (Dedicated keys/Alphanumeric keys/Function keys) appear at the top of the keyboard and can be programmed to do special tasks.
8. If you want to place the insertion point or choose a menu option, you just … (press and release/double-click/select) the mouse button, and the option is chosen.

XVIII. Use the correct tense form.
1. If you see this film, we will discuss it later. 2. If she has a problem, I will help her. 3. If we travel) by car, we will save a lot of money. 4. If he doesn't her flowers once a week she will be offended. 5. If they blame him, it will serve him right. 6. When the children come home for Christmas, the parents will be happy. 7. When the summer season comes, there will be a lot of tourists here. 8. When you go shopping, use your credit card. 9. You will feel better, after you take the tablet. 10. We will buy their car after father gets his salary. 11. I won't try on this dress before I know how much it is. 12. I will wake you up as soon as I get up. 13. They will make an announcement about the plane as soon as it lands. 14. As soon as Tom fixes the engine we will continue our journey. 15. As soon as he writes to me I will let you know. 16. We will lie in the sun and swim in the warm sea unless the weather changes for the worse. 17. She will not marry him unless he gives up his bad habits. 18. You will not lose weight unless you eat less. 19. We will have a good time while our holiday lasts. 20. I will keep you here, until you tell the truth. 

XIX. Use the correct form of the verbs to complete the sentences below.
1. At our University classes usually begin at a quarter to eight. 2. Yesterday we had four lessons. 3. My brother got into the University last year. 4. We will be engineers in five years. 5. The whole course of studies at a higher school lasts four or five years. 6. She has many relatives. 7. He always comes on time. 8. We will do this work tomorrow. 9. It usually takes me half an hour to get to the University, but yesterday it took me more than an hour. 10. Sometimes he goes home on foot and from time to time he takes a bus. 11. Do you like to read books? 12. What foreign language does your friend study? 13. When and where were you born? 14. What are your parents? 15. Do you live in Tula or in Moscow?

It was told me.-It is told me.- It will be told me. It was shown me. - it is shown me. - it will be shown me.She over was brought. - She over is brought. - She over will be brought.We were asked. - We are asked. - Us спро­сят.We were answered. - We are answered. - to Us from­ветят.We were sent. - We are sent. - We will be sentIt was given them. - it is given Them. - it will be given Them.He was helped. - He is helped. - He will be helped.He was advised. - He is advised. - He will be advised.He was forgotten. - He is forgotten. - He will be forgotten.He was remembered. - He is remembered. - He will be remembered.We were invited. - We are invited. - We will be invited.We were remedied. - We are remedied. - We will be remedied.He was called. - He is called. - He will be called.