1.He likes eating banana.（改为一般疑问句）2.I what to buy a backpack.（改为否定句）

题目

1.He likes eating banana.（改为一般疑问句）2.I what to buy a backpack.（改为否定句）
3.My card is on the desk.(对on the desk提问）4.One and two is three（对three提问）

答案

does he like eating banana?.
I dom’t want to buy a backpack.
where is my card?
What’s one plus two?