Автор - жаров
1. have the Coopers arrived yet? no, they haven't
2. have you ever been to Sweden? yes, I have
3. has Tim found his workbook? no, he hasn't
4. has he ever read a book from Shakespeare? yes, he has
5. have you ever played the piano? no, I haven't
6. have you heard from Daniel lately? yes, I have
7. has it snowed this winter? yes, it has
8. have you slept well all night? no, I haven't
9. has she already finished? no, she hasn't
10. has Susan ridden a bike before? yes, she has