11.3
1 How long did you stay here?
2 Did you stay in a hotel?
3 Did you go alone?
4 How did you travel?
5 Was the weather nice?
6 What did you do in the evenings?
7 Did you meet any interesting people?
11.4
1 Tom didn't shave this morning because he didn't have time.
2 We didn't eat anything because we weren't hungry.
3 I didn't rush because I wasn't in a hurry.
4 She wasn't interested in the book because she didn't understand it.