Are those erasers?改为单数句

Those are erasers 改为单数形式 Are those her erasers改为单数句 Are those erasers?改为单数句 those are my erasers 改为同义句 Are those erasers? Those are erasers(改为一般疑问句并作否定回答) Those are erasers 改为一般疑问句,并作否定句 Those are (erasers.)对括号部分提问. Are those your erasers改否定句 they are their erasers 改为一般疑问句 Those are erasers.(改为一边疑问句,并作否定回答）如题.我不怎么会,希望大家协助下!如题 Those are erasers.改为单数句型拜托各位大神这是暑假作业中的一个题啦,我实在是想不出来了,麻烦大家帮我想一想吧! 句式转换 同义词Those dictionaries are Helen‘s Are those her keys?Tese are my dictionaries Are those her erasers Is that Eric's schoolbag?Are these your rulers?改为同义词Those dictionaries areHelen‘s Are those her keys？These are my d 改为否定句：They are my erasers.(yes) 改为一般疑问句：They are my erasers.(yes)急~~~~~~~~ There are some erasers in the drawer.改为否定句 1,Tom is a boy.(改为一般疑问句) 2,Is this your brother.(1,Tom is a boy.(改为一般疑问句)2,Is this your brother.(作否定回答)3,Those are erasers.(改为单数句) 4.—Are those your books?(同上）—No,( )( ).5.Is that your tuler?(改为复数句）（ ）（ ）your( 6.Are these her erasers?(改为单数句）（ ）（ ）her(