Ответ: там где точки, просто переписываешь конец предложения

1. my salary was increased last week

2. This car was bought last Friday

3. this service was paid for in cash

4. Such activities are seldom undertaken to protect...

5. The customer was informed of the...

6. The commission  paid to agents was increased

7. New staff in Human Resources department is recruited every year

8. Several new products were developed by R and D department last year

9. Several subsidiaries were opened in different locations by my company

10. Consumer tastes are investigated

11. The loss of 4000 jobs were announced yesterday by Ford

12. smoking is forbidden during the flight