Question

8. I did not realise that I had made a mistake ___ (when, until, unless) you told me.
9. It is terribly hot today, ___ (if, but, unless) it is necessary, don't go out.
10. Scarcely had I reached home ___ (when, than, before) it started raining. ​

Answer 1

Answer:

1. when
2. unless
3. before

hope my answer will help

Answer 2

Answer:

8.I did not realise that I had made a mistake __until_ (when, until, unless) you told me.

9. It is terribly hot today, _unless__ (if, but, unless) it is necessary, don't go out.

10. Scarcely had I reached home __before_ (when, than, before) it started raining.