根据要求完成下列各题
Is that your ruler ?(作否定回答)
________,________ ________.
This is my book .(改为复数句型)
________ ________ my ________.
Those are my pens.(改为一般疑问句)
________ ________ your ________?
These are her keys.(改为同义句)
These ________ are ________.
is my watch.(改为一般疑问句)
________ ________ your watch ?
This is an orange.(对划线部分提问)
________ ________ this ?
These are apples. (改为单数句型)
________ ________ ________ apple.
Are these your cousins ? (作肯定回答)
Yes, ________ ________.