


It is his dream ……………… a pilot.
Karen is fond ___ chocolate.
Would you mind ___ me the time?
I am looking forward ......... from you soon.
Bad weather prevented the team ___.
She decided ............. the competition.
He made me ...... his work instead of him.
He seems ....... a good singer.
Dad suggested ........ to the cinema on Sunday.
I regret ............ to bed so late. I'm really tired today.
I dreamt about our old house in Cornwall.
George arrives late every day.
She believes in ghosts.
He didn’t come to the party for some reason. Why......
The Smiths have got three cars.
I'm talking to the walls, ............ ?
Jenny eats cheese, ............ ?
Don't look at me like that, ............ ?
Somebody has called, ............. ?
Let's study tomorrow morning, ............ ?
There are plenty of tomatoes in the fridge. You ......................... buy any.
He had been working for more than 11 hours. He .............. be tired after such hard work.
Take an umbrella. It ................... rain later.
The weather is fantastic in California. It ........ be a lot fun to live there.
He .............. be American. His English is terrible.
Nancy ........... go to bed early; tomorrow is her day off.
How many languages ............. ?
When she ........... home, she ........... that her husband ................ for some time. (COME, SEE, DRINK)
............... the good news? – Stan and Margie ........................ next month! – That's not new. – I have known about it for a few weeks. (YOU HEAR, GET MARRIED, KNOW)
I wonder if he ................... my number. I have been expecting for him to call for the last two hours. (FORGET, EXPECT)
A computer network _________ computers.
The _______may be linked with the help of cables, telephone lines, radio waves, satellites, or infrared light beams.
Along with physically connecting computers and communication devices, a network system has the function of a cohesive architecture that _________ data transmission while using various equipment types.
A local-area network _____ a local territory.
The configuration of a network ______ its physical structure.
The message is ____________into bits by the application layer.
The data-link layer confirms the arrival of the packets, logs them in, and calculates the ____________ for each packet.
The incoming ___________ are recounted by the network layer for security and billing purposes.
The checksum is ____________by the transport layer which also reassembles the message segments.
The parts of the message are held by the session layer until the message is complete. Then it sends the message to the next _______________________.
……….. to be put into the computer for processing should be coded into ones and zeroes.
Many …………….can also generate tables of numbers or figures, sophisticated indexes and comprehensive tables of contents.
Computer data processing systems should combine the …………..of both humans and computers.
Once data have been entered correctly into the computer component of a data processing system, the need for further manipulation by humans is …………., and the possibility of error is reduced.
Data, once entered, can be …………wherever needed by communications networks.
Reservation clerks throughout the world may make an …………..about transportation or lodgings and receive an almost instant response.
Computers are able to store vast amounts of information, to organize it, and ……………it in ways that are far beyond the capabilities of humans.
The amount of data that can be stored on devices such as magnetic discs is constantly ………….. .
An important objective in the design of computer data processing systems is to allow computers to do what they do best and to free humans from routine, ………………tasks.
The most ……………..computer data processing system is the one that does the job effectively and at the least cost.
The Internet, a global computer network that ……………millions of users all over the world, began in the United States in 1969 as a military experiment.
The Internet is simple: computers talk to one another through a network that uses phone lines, cable and ……………….. .
……………….is much faster than traditional or snail mail.
The computer can search around the Net until it finds some …………… .
Newsgroups allow users to participate in dialogues and conversations by ……………., free of charge.
Telnet provides access to a ………………on a remote machine.
The Internet is defined by its ……………….and routing policies.
The layers correspond to the ………………or scope in which their services operate.
Usenet is a collection of ……………covering any topic.
If security is a must for you, then you’ll want to use ……………. for your most sensitive messages.