Are these your cousin?做肯定回答 Yes,they are.可以缩写吗?

Are these your cousin?做肯定回答 Yes,they are.可以缩写吗? Are these your cousin?做肯定回答 Are these your parents 做肯定回答 are these your pens?做肯定回答 Are these your pencils?可用Yes theyare或yes they’re吗否定回答呢 are these 做肯定回答 are these your cousin Are_____they\these your parents?Yes,they are. Are these your pants?的肯定回答 Are these your books?肯定回答 are these your suitcases 的肯定回答 Are these toy cars 做肯定回答