Here are the questions and answers based on the prompts:
1. (Mary/go swimming/at weekends)
A: Does Mary go swimming at weekends?
B: No, she doesn't. She goes skiing.
2. (Eddie/drink water/in the morning)
A: Does Eddie drink water in the morning?
B: Yes, he does.
3. (Ben and Mike/play football/after school)
A: Do Ben and Mike play football after school?
B: Yes, they do.
4. (Betty/play/the piano)
A: Does Betty play the piano?
B: Yes, she does.