句型转换。
He was a worker in the past.(改为同义句).   
He _______ ________ _______ a worker before.
Linda often helps us with our English. (改为同义句). 
Linda often _______  us _______ English.
They tried their best to make us happy. (改为同义句).    
They tried their best to _______ us ________ .
She worked there twice a week to help the kids in the hospital. （对画线部分提问）
_______ ________ did she work there to help the kids in the hospital?
She decided that she would give away her old clothes to the poor.（改为简单句）
She decided________ ________ ________ her old clothes to the poor.