Ответ:

1. What magazine has Mike been looking through for an hour?

2. How long has Bessy been having a stomachache?

3. What fairy-tale has Doris been telling her little children for two hours?

4. How long have you been studying the History of Canada at the University?

5. How long has Betty been feeling sick?

6. With whom has Kate been travelling round New Sealand for a month?

7. How long have your neighbours been building their country house not far from London?

Объяснение: