1. Dan couldn't buy a new disk because he spent all his pocket money.
2. Tim had a sore throat because he ate four ice-creams.
3. Vicky felt very hungry because she didn't have breakfast.
4. Alex played computer games because his parents bought him a computer.
5. Lucy couldn't go out because she didn't do her homework.
6. Paul couldn't play the computer because he didn't turn it on.