1.Open the door, please. (改为否定句)
   ________ ________ the door.
2.See you soon. (改为同义句)
   See you ________. 
3.He helps his mother do the housework every day. (改为否定句)
   He ________ ________ his mother do the housework every day.
4.I am packing my bookcase (书架). (对画线部分提问)
   ________ ________ paciking ________ bookcase?
5.There is and apple on the table. (改为否定复数句)
   There ________ ________ any apples on the table.