| 根据所给提示，完成句子，每空一词，含缩略词。 |
| 1. He has already finished his homework. (改否定句) He ______ finished his homework _______. 2. The U.S.A had about 296 million people in 2005. (对划线部分提问) ______ the ______ of the U.S.A in 2005? 3. We must obey the school rules. (改为被动语态) The school rules must ______ ______ by us. 4. I bought the pen six days ago. (同义句) ______ ______ six days since I bought the pen. 5. 我叔叔有时到上海出差. Sometimes my uncle go to Shanghai ______ ______. |