1. Does he speak English well? 2. His father was a doctor? 3. Is English language im-portant for our future work? 4. Did he write them a letter from Canada? 5. Will the weather be fine tomorrow? 6. Do we must return all books to the library before the 1st of July? 7. Has he a motor car? 8. Does this box weigh more than that one? 9. Can he swim well? 10. Do these boys like reading travel stories?
Во втором не уверенна, в 10 - тоже.