1 Fell,cycling
2 were doing,started
3 saw, was sitting
4 were not listening ,called
Ответ:
Объяснение:1. Currently, there are many types of various system programs, and the operating system occupies a special place among them. 2. Many factors influence the performance, reliability, and functionality of a personal computer; the operating system installed on it is one of them. 3. When the operating system is capable of performing several tasks, and these tasks are performed simultaneously, it is called multitasking. 4. The operating system monitors the operation of the processor and, if the running task needs a resource, then its execution should be suspended until the resource is received.
5. The ability of personal computers to process information is limited, and the parameters of the amount of information processed and the speed of calculations are the most critical.
2. Yes, I am
3. No, It isn't
4. No, they aren't
5. Yes, it is
6.No, I am not
Tennis - тэнис - теннис понятно
1. She was not invinted to the party by them.
2. The window was not left open by me.
3.The light was not turned by them.
4. Some friends had been invited to tea by me.
5. An English book has been given to me by her.
6. Has the letter been written by them.
7. We have been told a lot of interesting things.
8. The test-paper have been written without mistakes.
9. A lot of things have been scattered about by children.
<span>10. All the books have been put into the bookcase.
11.t</span>he fields will be covered with snow in winter.
12. The home work will be handed in tomorrow.