Those are rulers 改为单数形式 快

Those are rulers 改为单数形式 快 Are these rulers those ______(child)? Are those your rulers 作否定回答 They are their rulers.改为一般疑问句 they are rulers 改为否定句 They are our rulers.改为一般疑问句 This is my book.(改为复数形式) There is a nice cat in the tree.(改为复数形式)Those are rulers.(改为单数形式) are these/those your rulers?(作肯定回答) This is my book.改为复数形式 There is a nice cat in the tree.改为复数形式 Those are rulers 单数形式 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 Here are some rulers for you.改为否定句 Here are some rulers for you. (改为否定句) Are these my watches ?改为同义句 Are( )watches( )My bag is purple.what color is your bag?根据上下文改写 My bag is purple .What ( ) ( )Those are some rulers,改为否定句 Are these English dictionaries?作肯定回答 _________,they____________.Are those my rulers?作否定回答 ________,they________.Nick and Mary are his father and mother.改为同义句 Nick dan Mary are____________.Is this aphoto?改为复数句 _ 改成一般疑问句Those are his rulers.改成否定句These are apples. what are those?改为单数 Are those apples 改为单数 我的那些尺子在哪里?用英语怎么说?where are my those rulers?those可以这样用吗?为什么?