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.