Ответ:
1) Is he sleeping now? 2) they have read many books 3) The children are eating cakes now 4) he helps his mother every day 5) Do you play piano well? 6) Look! Michael is dancing now  8) john left his bag in the library last Monday 10) Clara has never been abroad 11) John hasn’t arrived yet.
Объяснение:
7 и 9 предложения не имеют смысла, проверьте свое задание.