<span>То be-was-were-been;
to have-had-had;
to mean-</span>meant-meant;
to learn-learned/learned-learned/learnt;
to become-became-become;
to bring-brought-brought;
to know-knew-known;
to think-thought-thought;
to buy-bought-bought;
to pay-paid-paid;
to take-took-taken;
to do-did-done;
to begin-began-begun;
to give-gave-given;
to make-made-made;
to keep-kept-kept;
to get-got-got;
to read-read-read;
to show-showed-<span>shown, showed.
</span>
1. Many people had an opportunity to use computers.
2.There was no doubt that computers solve problems very quickly.
3.Instructions directed the operation of a computer.
4.Computers brought with them both economic and social changes. 5.Computing embraced not only arithmetics, but also computer literacy.
6.It was well known that computers prepared laboratory tests.
7.Those persons were computer literate and thought of buying a new
computer. 8.They received a subscription magazine once a
month. 9. My mother was ill and visited her doctor every other day.
<span>10. Experts knew much about how to prepare programs.</span>
1 It's cold, isn't it?
2 Tom has a car, hasn't he?
3 You can drive, can't you?
4 He should drive slowly, shouldn't he?
5 He plays well, doesn't he?
6 I was right, wasn't I?
7 You did it yourself, didn't you?
8 You won't be long, will you?
9 They needn't pay, don't they?
10 They aren't allowed to play cards, are they?
11 She doesn't know your, does she?
12 We shan't be here, shall we?
13 You hear me, don't you?
14 Professor N. lectures on mathematics, doesn't he?
15 You understood him easily, didn't you?
16 She will talk to the teacher, won't she?
17 You have a sister, haven't you?
Вот перевод,и тогда подумай где какой знак)
это строгая женщина, это толстый кот; это хорошая ошибка; это плохой фильм; это большой плоский; это пустая коробка, это счастливый кролик.
1. I have been smoking for many years and cannot get rid of this dreadful habit написано правильно
Hello my dear friend. I want to tell you about me and my friends. I study in Central school, 5 class. My friends are very kind and fun. With them are very cool. My friends are: Jane, Tiffany, Kate and Selena. We go to each other for a birthday, stay overnight, do pajama parties. When you come I'll introduce you to. Goodbye