6. Закончите предложения, выбрав соответствующий вариант окончания:

1. The cars are subjected to road tests in order...

b) to meet up-to-date requirements;

2. The car must have the following units...

b) smoothactiving clutch, silent gearbox, dependable brakes and steering system.

3. The car must have the following qualities...

a) high efficiency, long service life, driving safety and pleasant appearance;