Complete the following sentences with a suitable past form of should, may, might, could, couldn’t, can’t, must + the verb in brackets

Example: Duncan looked rather upset. He must have misunderstood (misunderstand) me.

1. Michael’s meeting in the Netherlands didn’t go so well. He (arrive) so late for the

meeting.

2. Margaret failed her exam again. She (study) harder.

3. We didn’t receive your last invoice. You (send) it to the wrong address.

4. Emilio (move) abroad. I saw him just yesterday!

5. The new deal we signed wasn’t particularly cost-effective. With more careful preparation, we

(negotiate) a much better price.

6. ABC’s advertising campaign looks very similar to ours. They (copy) our campaign.

7. Angelo is having problems with his English. He (join) the company English course

last year.

8. I didn’t hear the phone ring. I (be) asleep.

9. ‘I can’t find my car keys.’ ‘You (leave) them in the office.’

10. You (attend) the business development conference last month. It was probably

the most interesting and useful conference I’ve been to all year​

Today we have a serious Internet problem as many users are Internet-addict. It is very dangerous for our musculoskeletal system and eyesight. Inadequate people and young teenagers can watch and read something really bad there. But, anyway, nowadays people cannot live without it. All factories, offices, vehicles won't be able to work without Internet. It's the largest database. In my opinion, people have the very precarious position when they don't know what to do when the electricity will disappearhroughout history, people have always been worried about new technologies. The fear that the human brain could not cope with the onslaught of information that could be made possible by the latest development was first voiced in response to the printing press, back in the sixteenth century. Swap the "printing press" for the "Internet", and you have exactly the same problems today, is regularly voiced in the mass media, and is usually focused on children. The human brain is always dealing with a constant stream of rich information - that's what the real world is all about Information overload it is Important to remember that the human brain is always dealing with a constant stream of rich informationInformation overload it is Important to remember that the human brain is always dealing with a constant stream of rich information; this is what the real world is as far as our senses are concerned. Whether it's watching a video being played on a small screen or watching people playing in a Park, the brain and visual system still have to do the same amount of work as providing detailed sensory information.

a) Cambridge is formed from a variety of institutions, isn't it?

b) All the colleges are self-governing institutions within the university, aren't they?

c) It does not have a main campus, does it?

d) The university also operates eight cultural and scientific museums, doesn't it?

e) Cambridge has educated many prominent scientists, politicians, lawyers,

philosophers, hasn't it?

f) There are 31 colleges with 18,271 students with 9,823 academic and

administrative staff members at Cambridge University, aren't there?

g) No college is as old as the university itself, is it?

h) Cambridge is now the only remaining United Kingdom university with femaleonly colleges, isn't it?