These are his parents.(改成单数形式)_____ _____ his _______.

These are his parents.(改成单数形式)_____ _____ his _______. His parents found _____ 3、Are these his cousins?_____.They are his brothers these are his watches怎么改成单数句 _____ _____ are his shoes/ Are these shoes _______(his) what are his parents?They _____ English teachers. Are these his pencil cases?改为单数形式 （ ）（ ） his pencil case? 句型转换?21.Are these English books?(改为单数句）_______ _______ _____ Are these his pens?Yes,____ _____.A these are B they are 选哪个 these are my parents单数,it's a photo of his family同义句,is that 英语翻译his parents _____ _____ _____ _____very much