Fill in the gap with: although, and, because, but, or, since, so, unless, until, when, before, for fear that, so that/so....that, if, than, wherever.
1) Things were different ………….. I was young. 
2) I do it …………… I like it.
3) Let us wait here ………….. the rain stops. 
4) You cannot be a lawyer ………..you have a law degree.
5) She has not called …………… she left last week. 
6) I saw him leaving an hour ……………. two ago. 
7) This is an expensive ………… very useful book. 
8) We were getting tired ………….. we stopped for a rest. 
9) He was angry …………. he heard when happened. 
10) Walk quickly …………. you will be late. 
11) He had to retire …………… of ill health. 
12) We will go swimming next Sunday ………….. it's raining. 
13) I heard a noise ………… I turned the light on. 
14) Would you like a coffee …………… tea? 
15) I’ll come and see you ……........ I leave for Moscow. 
16) He will tell you ……….. you get home. 
17) I can’t express my opinion ……… I know the fact.
18) We started very early ……...... we should miss the train. 
19) He will stay here ……..... you come. 
20) ……….. he tried hard, he wasn’t successful. 
21) He worked late last night …….. he might be free to go away tomorrow. 
22) The room is …...... small …...... we can’t all get in. 
23) ……. you had left earlier, you would have caught the train. 
24) The road seems longer ……..... I thought. 
25) ……….. you may go, he won’t forget you.