1) Circle the correct option ( Grammar) My name is Andy. I’m 15. I have been doing (volunteer / voluntary / volunteering) work for many years. I often do babysitting and house chores. Most of those I have (helped / helping / helps) are old or disabled people. They are in urgent (needy / needed / need) for our care. They often suffer (from / for / of) poverty, loneliness and depression. I enjoy what I have been thinking and I’m thinking of (to start / started / starting) a charity. In fact, I have begun raising (food / money / clothes) for this purpose.

1. have met

2. have arrived

3. does he do

4. have been receiving

5. is working  

6. hasn't heard

7. uses  

8. have told  

9. he has been playing

10. haven't seen

11. have left

12. jog

13. is increasing

14. is changing

15. are

16. is making

17. I am waiting

18. have been walking

19. have known

20. hasn't called

21. is taking

22. am looking

23. is complaining

24. has arrived

25. have they visited

26. has moved

27. don't understand

28. haven't got  

29. hasn't heard

30. believes

31. have you been doing

32. is sleeping

33). has wanted

1) Modem - d (communications device)

2) Network interface card - d (communications device)

3) Keyboard - a (input device)

4) Printer - b (output device)

5) Digital Video Disc - c (storage device)

6) Monitor - b (output device)

7) Devices such as a keyboard and a mouse fall in this category - a (input)

8) Transforming raw data into useful information - c (processing)

9) UNIX - e (operating system)

10) A printer is an example of this device - b (output)

11) Stores data and programs - d (memory)  

Объяснение: