Ответ:

1.If time permits, they will conduct research.

2. When the sun rose,

the tourists went up.

3. Since the truck has already been repaired, new furniture

they'll be here in a few hours.

4. When the calculation error was found,

we decided to start production.

5. If the weather is favorable, we will

we can hold a competition.

6.Since it was already dark, I returned home.

7.When everything was checked, we sent our representative to London.

8.When the essay was written, I started doing other tasks.

9. If the conditions

if they allow it, engineers will take part in the conference.

10. Because the blow is strong

wind, flight canceled.

11. When my brother lost his money, he couldn't come to

Kiev on time.

12.Since there is a lot of time left, we went to rest.

Объяснение

Удачи! Можно "лучший ответ"?