句型转换。
Swans often fly together so that they will not get lost.(同义句转换)
Swans often fly together _______ ________ not to get lost.
He felt very cold washing with cool water in winter.（划线部分提问）
________ ________ he feel washing with cool water in winter.
She has to go home now.(改为否定句)
She _______ ______ to go home now.
My father will be back from Nanjing in a week. （划线部分提问）
______ _______ will your father be back from Nanjing?
Mum cooked me a nice meal yesterday. (同义句转换)
Mum ________ a nice meal________ me yesterday.