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Revision exercises

Exercise 12. Complete the sentences with a word from the box.

can can’t should should should shouldn’t mustn’t must mustn’t mustn’t

1. You ______________ smoke in the library.

2. I think you ________________take the train; it’s faster than the bus.

3. I’m sorry, you _________________ buy drinks after 11 o’clock.

4. Jan: We’re getting married.

Sam: Congratulations.

Jan: But you _______________ tell anyone, it’s a secret.

5. If you’re worried about your eyes perhaps you ________________ see a doctor.

6. I don’t think we ________________ leave him; it’s not fair.

7. You know, you really _______________ smoke so much it isn’t good for you.

8. Now, you ______________ be good while we’re away, do everything Grandma says.

9. These are my most precious possessions so you _______________ touch them, but you ____________ look at them.

Exercise 13. Put “can, may, must, should, have to, be able to” (or the negative forms) and “needn’t” in the spaces.

1. “Oh, Nurse, ____________ I stay here?” “Stay here? Of course, you ___________.”

2. There are no buses or taxis, so we _______________walk.

3. No, Paula you _____________ have another potato. You’ve had two already.

4. We _____________ live without food and water. We ___________ eat and drink.

5. I _____________ get up early tomorrow, so I ______________ go to bed late tonight.

6. You _____________ walk all the way to the station. You ___________ take a bus round

the corner.

7. You ___________ switch off the light if you’re afraid of the dark.

8. You ___________ sit there in your wet clothes; you will catch cold if you do.

9. They ____________ do all the exercises; it will be enough if they do four or five.

Unit 10

Internet and lan technology

Task 1. Memorize the following words and word-combinations:

  1. application layer

  1. aside

  1. command-line interface

  1. communications infrastructure

  1. confusing

  1. constitute

  1. convenient

  1. delegate

  1. description

  1. dial-up connection

  1. efficient

  1. embrace

  1. establish

  1. facilitate

  1. fairly

  1. fiber-optic line

  1. free of charge

  1. FTP

  1. global

  1. go on tour

  1. Gopher

  1. implementation

  1. intermediate

  1. Internet Engineering Task Force (IETF)

  1. Internet Protocol Suite

  1. knock out

  1. lastly

  1. layered system

  1. make up

  1. match

  1. military

  1. multi-lateral

  1. Open Systems Interconnection (OSI)

  1. owe

  1. packet switching

  1. participate

  1. path

  1. peering agreement

  1. recipient

  1. remote machine

  1. Request for Comment (RFC)

  1. retrieve

  1. rigorous

  1. scope

  1. snail mail

  1. socialize

  1. standard-setting work group

  1. stay in touch

  1. subscribe

  1. TCP/IP model

  1. techno-jargon

  1. Telnet

  1. transfer

  1. transport layer

  1. USENET

  1. vast