Rewrite these sentences

rewrite these sentences
----- Nội dung dịch tự động từ ảnh -----
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26. She didn’t know you were in hospital, so she didn’t visit you.
27. She is very shy, that’s why she doesn’t enjoy parties.
Unless
28. It was raining. That’s why I didn’t take the children to the beach.
If
29. The examiner read the passage very quickly, so the candidates didn’t understand.
Unless
30. People drive very fast. That’s why there are so many accidents.
If
31. I don’t know his address, so I can’t write to him.
If
32. They asked him to leave the dining room because he wasn’t wearing a shirt.
If
33. Keep silent or you’ll wake the baby up.
Unless
34. He didn’t work hard at school so he didn’t get a good job when he left.
If
35. Stop talking or you’ll not understand the lesson.
Unless
36. Why don’t you stop smoking?
If
37. The boy is so young that he can’t go to school.
If
```