14. раскройте скобки и поставьте глагол в нужную форму. 8. if electric motors (be used), cars would not pollute the air. 9. the product quality (improve) if latest innovations and techniques were used. 10. we (invest) our money well if we had bought that machine. 11. unless the temperature rises, the speed of molecules (increase). 12. if i were you, i (ask) a lawyer for some advice. 13. if the code number of spare parts had been entered correctly the company (supply) everything in time. 14. if the machine (break) down within the guarantee period, it will be replaced free of charge.

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