Используйте либо Past Continuous либо Past Perfect Continues. 1. We were late. When we arrived, the teacher (?) for us. He was rather angry with us because he (?) for a very long time. 2. When the fire broke out they (?) TV. They didn’t notice is at once because they (?) a very interesting film. 3. We (?) for an hour when he turned up. We (?) when there was a terrible storm. 4. They (?) their dinner when we arrived. They (?) for half an hour
b. Does Mrs Smith spend her weekends gardening?
2. a. Harry doesn't prefer to travel by air.
b. Does Harry prefer to travel by air?
3. a. I don't do a lot of travelling.
b. Do I do a lot of travelling?
4. a. They don't wish to speak to you.
b. Do they wish to speak to you?
5. a. The children don't like sweets.
b. Do the children like sweets?
6. a. Tom doesn't enjoy driving at night.
b. Does Tom enjoy driving at night?
7. a. They don't sell fresh grape juice here.
b. Do they sell fresh grape juice here?
8. a. My brother doesn't smoke a lot.
b. Does my brother smoke a lot?
9. a. I don't brush my teeth every night.
b. Do I brush my teeth every night?
10. a. The boys don't hurry home after school.
b. Do the boys hurry home after school?
11. a. The taxes don't rise every year.
b. Do the taxes rise every year?
12. a. I don't use a computer in my work.
b. Do I use a computer in my work?
13. a. Mart doesn't work hard at her pronunciation.
b. Does Mart work hard at her pronunciation?
14. a. Betty doesn't go out with someone every Saturday.
b. Does Betty go out with someone every Saturday?
15. a. Nick doesn't like porriage.
b. Does Nick like porriage?
16. a. My working day doesn't last eight hours.
b. Does my working day last eight hours?
Put the proper words into sentences:
analytical, digital, unreliable, sophisticated, solve, core, processor, computations, an integral circuit.
1)The Difference Engine could ... equations and led to another calculating machine, the ... Engine, which embodied the key parts of a computer system: an input device, a ..., a control unit, a storage place, and an output device.
2)Ada Lovelace helped to develop instructions for carrying out ... on Babbage machine.
3)J. Atanasoff devised the first... computer to work by electronic means.
4)First-generation computers were ..., the main form of memory being magnetic...
5)In the third generation software became more...
6)What was the name of the first ... computer to work electronically?
7)When electricity passed through the ..., it could be magnetized as either “ofF’ or “on”.
8)A ...is acomplete electronic circuit on asmall chip of silicon.