按要求改写句子1.There is a cup on the table.(变为一般疑问句)_____ ______a

按要求改写句子
1.There is a cup on the table.(变为一般疑问句)
_____ ______a cup on the table?
2.I can see some magazines on the teacher’s desk(就画线部分提问)
_____________can you see on the teacher’s desk?
3.A refrigerator and an electric cooker are in the kitchen(就画线部分提问).
_________are________ ________and________ ________cooker?
4.There’re some sharp knives in the middle of the table.(改为否定句)
There are________ _______sharp_______in the________of the table.