Sure! Here are the completed sentences:

1. **It took a long time for them to decide to get married.**
- **They** took a long time to make a decision about getting married.

2. **It’s not the**
- **job that** is more important to them than the people.

3. **They declared war on the pretext of defending their territorial rights.**
- **The excuse was** that they were defending their territorial rights.

4. **Although Jack drives carefully on public roads, he is a terror on the motorway.**
- **In contrast,** he is a terror on the motorway.

5. **Our science correspondent sees this new invention as the answer to many of our problems.**
- **According to** our science correspondent, this new invention is the answer to many of our problems.

6. **"It is, or is it not true that you have been misappropriating company funds?" the managing director asked the accountant.**
- **The managing director wanted** to know if it was true that the accountant had misappropriated company funds.

7. **If you want to save your eyesight, we must operate immediately.**
- **Only by** operating immediately will you be able to save your eyesight.

8. **It is not his own fault that he lost his job. He was late for work every morning.**
- **If** he hadn’t been late for work every morning, it wouldn’t be his fault that he lost his job.

9. **Attendances at the exhibition have been down this year.**
- **The exhibition** has seen a decrease in attendances this year.

Let me know if you need any more help!