Question

please answer my question friends please and this of 8th class

Answer 1

1. while-when
2. although-because
3. therefore-or
4. while-since
5. as -so
6. as-like
7. unless-till
8. after-before

Answer 2

1)when 2)because 3)or 4)since 5)like 6)so 7)till 8)before