her erasers are in the bag一般疑问句和否定句.they're my aunts单数.she is my sister一般疑问句.

Are those her erasers改为单数句 There are some erasers in the drawer.改为否定句 her erasers are in the bag一般疑问句和否定句.they're my aunts单数.she is my sister一般疑问句. these are erasers 对erasers提问 these are erasers对erasers进行提问 Are those erasers? is this your ruler? 改为复数句 Are these her erasers?改为单数句 Are these her erasers?yes,_______are A.it is B.they are C.these are D.they're 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 The two erasers on sale are bad ,so i don't buy_.A.either of them B.both of them 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 erasers?改为单数句 they are their erasers 改为一般疑问句 Who is erasers are these改错