三、用所给动词的正确形式填空。 1. We are sure that he ________ (go) to school tomorrow. 2. Do you know who ______ (be) the first man to walk on the moon? 3. Could you tell me where the post office ______ (is)? 4. Our father said that he _______ (will) buy a new computer. 5. I hear that he _______ (swim) in the sea yesterday. 6. The little boy tells us where his father _______ (work). 7. He said that he _________ (finish) his work already. 8. They thought they could _______ (hike) to the top of the mountain. 9. He was glad that so many people _____ (help) him. 10. She doesn’t know whether ________ (go) or wait.