句型转换Theproblem is so difficult.Icon't work it out.The problem is _difficult _me___.改为同义句

x��)�{ڿ���{�<�]��ZP�������Y�P��������\�S�癜��^�P�_���Y��_Z�T���<�X!>75>>^�ٔ�Ov�z:����N�56IE���N��Ά��+��W3���"S�F��$�ف\�ȣ�