句型转换。 1. This is the book. I bought it two years ago.(合并为一句) This is the book _____ I _____ two years ago, 2. We prefer music that has great lyrics. (对画线部分提问) ______ ______ ______ music do you prefer? 3. The company has offered her a good job.(改为同义句) The company has ______ her ______a good job. 4. She became ill because it was too cold.(改为同义句) She became ill ______ ______ the cold weather. 5. He has a lot of money.  He often helps the poor children pay for their education.(改为同义句) He has a lot of money and he ______ ______to help the poor children.