Помогите пожалуйста срочно!!! Нужно поставить в правильное время 1. Parents were worried because they (not hear) from him for a long time 2. I didn't know the answer because I (not read) the book 3. I think scientists (find) a...

Помогите пожалуйста срочно!!! Нужно поставить в правильное время 1. Parents were worried because they (not hear) from him for a long time 2. I didn't know the answer because I (not read) the book 3. I think scientists (find) a cure for AIDS by the year 2050 4. Ann told her friend that she (win) the competition 5. She (cook) supper when I come home 6. When Europeans first arrived in America they thought they (land) in the West Indies 7. The boys were cold and hungry because they (walk) a long way 8. By the time I got to the library she (already left). 9. By that moment everyone (take) their seats and was listening attentively