Упражнение 15. Поставьте глагол в скобках в подходящем залоге ивремени. Обращайте

Упражнение 15. Поставьте глагол в скобках в подходящем залоге и
медли. Обращайте внимание на порядок слов!
1. Why dont you answer when you (to ask). 2. We (to ask) again but nobody
could answer us. 3. Why you (not / to send) the letter yesterday? 4. When you (to
come) to see us again? 5. We (not / to have) classes at the weekend. 6. Special
subjects (not/ to study) in the first year. 7. Yesterday three trains (to cancel
отменять) at this station. 8. Where the next Winter Olympic Games (to hold
проводить)?