1. This is a picture of my family. (对画线部分提问) _______ _______ ? 2. My backpack is on the sofa. (对画线部分提问) _______ your _______? 3. Are those his keys? (改为单数形式) _______ _______ his key? 4. Are his things on the bed? (作否定回答) No, _______ _______. 5. I can take it to her. (改为一般疑问句) _______ _______ take it to her?