英语改句Sandy's parents were at home last night.Sandy's parents

英语改句
Sandy's parents were at home last night.
Sandy's parents __ __ at home last night.改为否定句
They got to the train station on time this morning.
__ they __ __ the train station on time this morning.改为一般疑问句
She turn on the light after she went in the room.
__ __ she __ after she went in the room?就turn on the light提问