改写句子 按括号中的要求完成改写后的句子，每个空格填一个单词。
1. My pencils are on the desk.(改为否定句)
My pencils ____________ ____________on the desk.
2. She is my cousin.(改为一般疑问句)
____________ she____________ cousin?
3. This is my watch.(改为复数)
____________are my ____________.
4. That is my blue pencil box.( (改写句子，句意不变)
That blue pencil box ____________ ____________.
5. His eraser and pen are on the sofa.(对划线提问)
____________ ____________ his eraser and pen?
1. are not 2.Is, your 3.These, watches
4.is mine 5.Where are