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31.
1. I haven’t seen Victor since last year.
2. I have already known her for 12 years.
3. It hasn’t rained since March.
4. We have been friends since childhood.
5. They have already had this car for 6 months.
6. We haven’t been to the cinema in years.
7. I haven’t eaten an ice cream since summer.
8. We haven’t discussed this question since Monday.
9. They haven’t met with each other for ages.
10. We haven’t skated since last winter.

32.
2. Haven’t seen
3. Hasn’t called
4. Haven’t done
5. Has just stopped
6. Hasn’t written
7. Have never been
8. Haven’t seen
9. Has just returned
10. Has already called

a. It must have high efficiency, long service life, driving safety, ease of maintenance and pleasant appearance.

b. They should be able to develop up-to-date methods of designing cars and shorten the time between designing and manufacturing.

c. Because they must meet up-to-date requirements.

d. Designing, working out technological processes, laboratory and road tests, mass production.

e. It must be rapid in acceleration, must have smooth acting clutch, silent gearbox, dependable brakes and steering system.

2. The car must have the following units a) high efficiency, long service life, driving

safety and pleasant appearance;

3. The car must have the following qualities b) smooth acting clutch, silent gearbox,

dependable brakes and steering system.

Объяснение: