Ls she your cousin改为复数形式

Ls she your cousin改为复数形式 ls your cousin s_______? ls the girl your sisther( ) your cousin?Oh,she's my cousin.A.and B.but.C.with D.or Ls she your And is she your cousin? is she your cousin?No,()() ls this your computer?改为肯定陈述句 ls your last name Smith?改为陈述句 ls this your ruler改为复数句 ls this your backpack? 改为陈述句 ls that your key ?(改为复数) ls that your ruler?(改为陈述句） ls that your ruler?改为陈述句 ls she your grandmother?作否定回答 Ls she your daughter?作否定回答 把下列句子改为复数句子That is my sister Ls this his parent Ls she your friend Yes it is This is my cup 急 This is his parent.改为复数 She is my cousin .改为同义句 Are those your sisters?作否定回答 she is my cousin 改为否定句