Are these toys yours?（作肯定回答）

Are these toys yours?（作肯定回答） Are these your sisters?（作肯定回答） Are these your lunchboxes.（作肯定回答） Are these his pictures?作肯定回答 Are these cars?作肯定回答 Are these yours(肯定）的答句 Are these red tomatoes yours?《肯定句》 are these/those your rulers?(作肯定回答) Are these English dictionaries?作肯定回答 _________,they_________ Are these animals?（肯定回答） These are my grandparents?(改为一般疑问句并作肯定回答） are these 做肯定回答