句型转换。 1. Where is your pen pal from? (同义句) Where _______ your pen pal _______ from? 2. Bill's mother is cleaning the room . (就划线部分提问) _______ Bill's mother _______? 3. There is some meat in the basket. (改为一般疑问句) _______ there _______ meat in the basket? 4. I like pandas because they are smart .(对划线部分提问) _______ do you _______ pandas? 5. The boys often wash their hands before meals. (改为单数) The _______ often _______ his hands before meals.