надо вставить do/does, или don't/doesn't... ...your mother ski?-yes, she... ...Tom and Bob ski?-yes, they... ...you help

1. Does your mother ski? - Yes, she does. 2. Do Tom and Bob ski? - Yes, they do. 3. Do you help mother? - Yes, I do. 4. Does Tom help mother? - No, he doesn\'t. 5. Does his aunt swim? - No, she doesn\'t. 6. Do his aunts skate? - No, they don\'t. 7. Do Tom and you see the bird? - No, we don\'t. 8. Do they swim? - Yes, they do. 9. Do you ski? - No, we don\'t. 10. Does this bird sing? - Yes, it does. 11. Does that dog jump? - No, it doesn\'t.