Inversion answer keys

1. Hardly had I begun to apologise when the door closed.
2. Seldom have I heard such a talented singer.
3. Had Michael known that Parisa liked curry, he would have brought her to an Indian restaurant.
4. Rarely did the artist pay attention to his agent's advice.
5. Never had he felt so depressed.
6. In no way can the shop be held responsible for customers' lost property.
7. No sooner had the couple arrived than the priest started the ceremony.
8. Only when he saw his wife's face did Tom realize the meaning of the comment.
9. Never at any time had she said (that) she was allergic to cats.
10. Under no circumstances can the restaurant accept animals.