1 I have a blue car, and Mary has a red . 2 He is taking two courses, but his
roommate is taking three . 3 After this movie is over, can we stay to see the other
? 4 After polishing these chairs, could you please polish those in the
library? 5 Nancy’s dress was very pretty, but I rather preferred Mary’s . 6 The little
boy has three pets, and his sister has two . 7 I’m taking five courses, and I enjoy
every . 8 I’ve already had a piece of cake. Do have another . 9 This
is a good book, but I think I prefer the other . 10 He used to have very few suits
but now he has several .11. I need a lot of tennis balls. Can you let me have a few
? 12 Do you prefer big cars or small ? 13 Would you like that tie,
or do you prefer this ? 14 He has two suits: a wool and a cotton
. 15 This house is not as big as that

Do
1 Do you live in London?
2Do Emma and Peter play football?
3Why do they like ice-cream?
4Do we want to do that?
5When do you do homework on English?
6Do they swim in waterpool?
7Do you go for a walk?
8What do you do in free time?
9How much do you fond key?
10Do you like cofe or tea?

Does
1 Does she like go to school?
2Does Sue eat an apple?
3 Does his was in the musem ?
4 Where does it fall?
5Does Mary like strawberry or watermelon?
6Does he get up at 7o'clock every day?
7Why does she late?
8How many does he have sweets?
9Does he look at pictures ?
10Does she go to park?

1. The work of power stations is controlled by electronic devices
2. The trajectories of spaceships are calculated by them.
3. New phenomena of nature are discovered by people due to electronic devices.
4. A variety of tubes for specialized functions were designed by scientists.
5. The transistor was invented by american scientists in 1948.
6. The size of devices were greatly reduced by integrated circuits
7. Packing density was increased by new types of integrated circuits
8. Man's intellectual power has been extended by electronics
9. New ways for the improvement of integrated circuits technology are being looked by scientists.
10. The concept of integrating device and built the first 1С was developed by Jack Kilby in 1958