Those are his parents.（单数）

Those are his parents改同义句 those are his sistexs 改为单数句 Are those his friends?改为单数形式 1-Are those your sons?(改为单数形式） 2-Are those his keys?(改为单数形式） those are his brothers 改为单数形式 什么 his 什么 [ ]his parents.A.that are B.that is C.those Those are his parents怎么改为否定句 are,those,parents,not,his能组成一句话吗 those,are.his.boxes改成单数,怎么改 Those are his pens,翻译成单数句 .Those are his potatoes.(改为单数句) 3.Are those donkeys?(否定回答) 4 Those are my parents(改成疑问句）