Li Lei didn't come to my birthday party last weekend because of his illness.(改为同义句)要改成:--- --- --- Li Lei didn't come to my birthday party last weekend --- his illness

问题描述:

Li Lei didn't come to my birthday party last weekend because of his illness.(改为同义句)
要改成:--- --- --- Li Lei didn't come to my birthday party last weekend --- his illness

The reason why was

:-The-- -reason-- -why-- Li Lei didn't come to my birthday party last weekend -was-- his illness
多谢!