II. Fill in do, does, don't or doesn't.
1. A: ... Helen take the bus?
B: Yes, she ... .
2. A: ... I need my book?
B: No, you ... .
3. A: ... a lion eat leaves?
B: No, it ... .
4. A: ... you want milk?
B: No, I ... .
5. A: ... you live in a big house?
B: Yes, we .. .