Помогите с тестом по английскому

1)
Don’t switch on without ____B____ the A drive for a floppy. *
a)check
b)checking
c)to check
d)checked

2)
The Caps Lock Key allows you ___C____ all in capitals. *
a)typing
b)type
c)to type
d)typed

3)
You’ll have to get used ___D____ your password each month. *
a)change
b)changed
c)to change
d)to changing

4)
___A___ selected the address tab, enter the postcode. *
a)Having
b)For having
c)By having
d)To have

5)
They tried ____D___ into the Pentagon’s computers. *
a)hacking
b)to hacking
c)hacked
d)to hack

6)
Once the Registration tab ____D___, select all doctors. *
a)has chosen
b)chose
c)had chosen
d)has been chosen

7)
The mouse wheel enables you ___B___ up and down the document. *
a)scroll
b)to scroll
c)scrolling
d)scrolls

8)
He objected ___A___ for long-distance calls to use the Internet. *
a)to paying
b)pay
c)to pay
d)paid

9)
I want ____C____ how to program in XML. *
a)learning
b)to learning
c)to learn
d)learnt

10)
Before ____C____, make sure you have saved your work. *
a)switch off
b)switched off
c)switching off
d)to switch off

11)
Adding more memory lets your computer ____A___ faster. *
a)work
b)to work
c)to working
d)working

12)
____C____ into memory nonresident programs as required is one task of the supervisor program. *
a)To load
b)To loading
c)Loading
d)Load

13)
____B____ a user interface is one of the key functions of the operating system. *
a)To establish
b)Establishing
c)To establishing
d)Establish

14)
He can’t get used ___B___ with a password. *
a)to log
b)to logging
c)logging
d)log

15)
Ensure both male and female members of the family are found ____A____ ‘Either’. *
a)by clicking
b)for clicking
c)to clicking
d)clicking

16)
If you ___B____ Print Screen, you can make a copy of the screen. *
a)will press
b)press
c)pressed
d)have pressed

17)
If you press Ctrl+Alt+Del in Windows 98, it ____A__ a list of active programs. *
a)displays
b)might display
c)would display
d)would have displayed

18)
If you installed a modem, you ___C___ able to connect to a telephone line. *
a)would have been
b)will be
c)would be
d)are

19)
If you don’t virus-check floppies, you __B___ a virus. *
a)have gotten
b)can get
c)could get
d)are getting

20)
If you __B___ your password, you would not be able to access your computer. *
a)will forget
b)forgot
c)forget
d)have forgotten

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