Combine each pair of sentences, using BECAUSE, SINCE, AS.
1. she saw the wanted man in a small coffee shop. She phoned the police.
2. She walked slowly. Her leg was injured.
3. He came to office 10 minutes late. He missed the first bus.
4. She coughed and sneezed. The doctor said she ahs to stay out of crowd.
GIÚP MÌNH VỚI