They should talk about it later. (改为一般疑问句)
                   they        about it later ?
She was unhappy because she lost her book. .(对划线部分提问)
                   she unhappy?
The problem is so difficult that I can’t do it.（同义句转换）
The problem is         difficult for me       do.
I was cleaning windows at home at that time.（对划线部分提问）
                   you cleaning the windows at that time?
While he was walking to school, I called his brother. （对划线部分提问）
                   you call his brother?
Bill has to do the dishes every day. （改为否定句）
Bill                to do the dishes every day
He grows up in England, too. （改为否定句）
He        grow up in England,        .
Stay out late.（改为否定句）
                    out late.
Shall we go to the movies?（同义句转换）
                   going o the movies?
He will be back in a week .(对划线部分提问)
                   will he be back?