1.Thing were different ......when.......... I was young.

2. I do it ....because....... I like it.

3. Let us wait here...until......the rain stops.

4. You cannot be a lawyer...........unless......you have a law degree.

5. She has not called ..... when...... she left last week.

6. I saw him leaving one.......or.......two hour ago.

7. This is an expensive .....and........ very useful book.

8. We were getting tired ........so..... we stopped for a rest.

9. He was angry....... when....he heard what happened.

10. Walk quickly......or.........you will be late.

11. He had to retire.........because.....of ill health. a coffe

12. We will go swimming next Sunday.....unless.....it is raining.

13. I heard a noise..... so......I turned the light on.

14. Would you like a coffee...or.......tea?

1.when

2.because

3.until

4.unless

5.when 

6.or

7.and

8.so

9.when

10.or

11.because

12.unless

13.so

14.or