Here are the rewritten sentences using "such...that":
1. The room is such a tidy room that it took us one hour to clean it.
2. The man is such a foolish man that no one took any notice of him.
3. The film is such a long film that they can't broadcast it on one night.
4. The books are such interesting books that we have read them many times.
5. The news was such bad news that she burst into tears on hearing it.
6. The food was such hot food that it burned my tongue.
7. There is such a lot of rain that we can't go out.
8. The boy is such a fat boy that everyone calls him Stuffy.
9. The milk is such excellent milk that all the children want some more.
10. The weather was such warm weather that they had a walk in the garden.
11. There were such many people in the hall that we couldn't see him.
12. The match was such an exciting match that all the fans shouted loudly.
13. They drank such a lot of coffee that they couldn't sleep all night.
14. Alice had such many exercises to do that she couldn't go out.
15. The woman was such a poor woman that she needed everyone's help.
(Note: Some sentences may sound slightly awkward when rephrased due to the natural flow of the English language, especially when substituting "so...that" with "such...that".)