Insert medal verbs can, may, mst, should or t heir equivalents in the necessary tense form: 1. Information or data . be stored in the computer's memory or storage. 2. An analogue to calculate by using physical analogues of numerical measurements. 3. The first tomatic computers operate at the low speed. 4. Your scientific article on computersbe pub- lished at our Institute. 5. My friend was happy when at last he . work at the computing centre. 6. Our students differemce between the digital and analogue computers. 8. We .. help him to solve the problem by a personal computer. 9. Every student, of our speciality to know what a hybrid computer is. yndas to visit the computing centre to see the operation of computers.

1.Galaxies(галактика-галактики))
2.Keys(ключ-ключи)
3.Glasses(тут трудно. ведь glass- это стакан,а glasses-это очки)
4.Torches(факел-факелы)
5.Handkerchiefs(носовой платок-носовые платки)
6.Factories(завод-заводы)
7.Leafs(как бы лист что ли)
8.Zoos(зоопарк-зоопарки)
9.prizes(приз-призы)
10.potato-potatoes(картофель)
11.piano-pianoes(пианино)
12.watch-watches(смотреть-смотрят)
13.goose-gooses(гусь-гуси)
14.fireman-firemans(пожарник-пожарники)
15.foot-foots(стопа-стопы)
16.mouse-mouses(мышь-мыши)
17.policewoman-policewomans(сотрудница полиции)
18.sheep-sheeps(овца-овцы)
19.deer-deers(олень-олени)
20.tooth-tooths(зуб-зубы)

дальше не могу,извини

1. This clan system existed in the Scottish Highlands and it was like a very large family and everyone had the same family name like McDonald. The had its particular territory and was governed by a chieftain. Each clan had its own Tartan.

2.A kilt is a skirt which was worn only by men.

3. As we know,a clan lived like a very large family and that's why everyone had the same family name.

4. The Highlanders from the clans took part in the war against the English for their independence.They were defeated,and the clans were destroyed.

5.No,they aren't.The ones that people buy in the shops nowadays are new design, different from the ones worn by the clans long ago