Three erasers are in the lost and found case?对划线部分提问(划线部分是Three erasers)限两个空,急

There are many t____ in my backpackten books,three pens,two erasers and five keys. Three erasers are in the lost and found case?对划线部分提问(划线部分是Three erasers)限两个空,急 have in erasers three my I phave in erasers three my I pencil box They are three blue erasers.对划线部分提问（划线部分为blue erasers）限三个空.越快越好. There are some erasers in the drawer.改为否定句 these are erasers 对erasers提问 these are erasers对erasers进行提问 Are those erasers? Are these your erasers?否定回答 Those are (erasers.)对括号部分提问. Those are erasers 改为单数形式 Are those your erasers改否定句 Are those her erasers改为单数句 Are those erasers?改为单数句 they are their erasers 改为一般疑问句 Who is erasers are these改错 those are my erasers 改为同义句 Are there (many,some,much,any) erasers in the pencil-box?选择括号里的哪个单词?