句型转换。 1. He won't go with us because he is very busy . (对划线部分提问) 2. My room is as big as Millie's. (改为同义句) 3. Tommy and Tony were reading the guidebook. (改为一般疑问句) 4. There won't be any elephants. We don't protect them. (用if合并句子) 5. The children had a wonderful time in the World Park. (改为同义句)