句型转换(每空一词) 。 1. They heard a message from a spacecraft. (用just改为现在完成时态形式) They just _______ a _______ message from a spacecraft. 2. Have you got a letter from Lucy?(改为同义句) Have you _______ _______Lucy? 3. To understand the problem is very difficult.(用it作为形式主语) _______ _______very difficult _______understand the problem. 4. I came here two days ago.(改为同义句) I _______ _______ here _______ two days.? 5. Her mother has been to Hong Kong several times.(就画线部分提问) _______ _______ _______ has her mother been to Hong Kong? |