句型转换 1. They are in the desk.(变为否定句) _____________________________________ 2. They are under the chair.(对划线部分提问) ______________________________________ 3.It is in the box.(变为复数句) _______________________________________ 4. They are on the chair.(变为一般疑问句) ______________________________________ 5. It is on the desk.(对划线部分提问) _______________________________________