Ответ:
- How many pencils have you got?
- How many pens has she got?
- How many exercise-books has he got?
- How many books has Ken got?
- How many teachers have we got?
- How many rubbers has your sister got?
- How many pupils have they got?
Правило: have употребляется с I, you, we, they; has — с he, she, it и существительными в единственном числе.
