EX1: Match the two halves of the sentence. Then write the full sentence, using the word in brackets. Add commas where necessary.

1. l. we didn't have to go to work

2. j. we came in very quietly

3. d. none of us had a watch

4. g. we went for a walk by the sea

5. o. I walked in

6. m. please let me pay for our dinner

7. i. we must do whatever we can to conserve it

Rewrite the full sentences:

1. Since yesterday was a public day, we didn't have to go to work.

2. As we didn’t want to wake someone up, we came in very quietly.

3. We didn’t know what time it was because none of us had a watch.

4. It was a nice day, we went for a walk by the sea. 

5. Since the door was open, I walked in.  

6. As you paid for the theatre tickets, please let me pay for our dinner. 

7. Since oil is an irreplaceable natural resource, we must do whatever we can to conserve it.