Rewrite the sentences in Past Simple. 1. We know that our friend has become a cane operator. 2. We know that it is an interesting story. 3. I think these books were published by the Pravda publishing house. 4. He is sure that he will be able to climb to the hill-top. 5. She notices that she is close to the ground. 6. I hope that I shall see a spaceship. 7. I think I must do it. 8. I think I can work with my friends. 9. I know he is working at this book. 10. We understand that the collections of this museum are the best in the world.
