按要求改写句子
I have ever been to the Children’s Palace. （改为否定句）
I                     been to the Children’s Palace.
Tim didn’t go to Canada. (用never和before改写句子)
Tim                              to Canada before.
The writer has written many books. （改为一般疑问句，并作否定回答）
        the writer             any books?    No,                    .
Amy began to live in China five years ago. (改为同义句)
Amy                     in China         five years.