Answer:
C) COMPLETE THE SENTENCES WITHOUT CHANGING THE MEANING:
1.- I bought this digital camera because the shop assistant recommended it.
2.- In order to be home by midnight, we should leave the party at 11.30.
3.- Jason didn't go on the trip because he was ill.
4.- Because she practises every day, Emma is an excellent guitar player.
5.- They wanted to go to the shopping centre today, but they had to do homework instead.
6.- The Browns want to buy a new car, but they haven't got enough money.
7.- The runner twisted his ankle because he fell.
8.- Water that reaches a temperature of 0 degrees, freezes.
9.- Diana was late for work because she woke up late.
10. She isn't tall; that's why she can't reach that shelf.
11. They bought the cheapest computer because they didn't have any more money.
12. You eat too many sweets and that's the reason your clothes don't fit.
13. I went to sleep very late last night because I was so excited.
14. I don't know the answer, that's why I can't help you.