9 Join the sentences using because. Mike couldn't get in. He lost his key. Mike couldn't get in because he had lost his key. Example: 1. Dan couldn't buy a new disk. He spent all his pocket money. 2. Tim had a sore throat. He ate four ice-creams. 3. Vicky felt very hungry. She didn't have breakfast. 4. Alex played computer games. His parents bought him a computer. 5. Lucy couldn't go out. She didn't do her homework. 6. Paul couldn't play the computer. He didn't turn it on.