Выберите правильный союз.
1. Since / Just as there’s too much work to do, we won’t go on holiday.
2. I’d better take an umbrella in саse /whether it rains.
3. Just keep an eye on the baby while / whereas I cook the supper, will you?
4. Many of the children feel more confident if / though they work in groups.
5. Although / in order that he hasn’t said anything, he seems to be upset about it.
6. You must be careful while / unless you wash this delicate silk blouse.
7. I’d like to find out when / even if the classes begin.
8. By / as long as the time you receive this letter, I’ll have left for Japan.
9. At last, after / as long as he had tried three times, he passed his exam.
10. The manager didn’t offer him the job because / although his appearance was very untidy.
1. since
2. in case
3. while
4. if
5. althought
6. while
7. when
8. by
9. after
10. because
Объяснение: