they are IDcard改为单数句

they are IDcard改为单数句 把They are apples.改为单数句 Are they students?（改为单数句） What colour are they?改为单数句 Are they bookcase 怎样改为单数句? They are my friends.改为单数句 Are they women doctors? 改为单数句 They are wonmen doctors (改为单数句) They are my aunts.改为单数句 They are old jeeps. (改为单数句) They are English jeeps.改为单数句 they are orange sweaters 改为单数句 Are they eggs?如何改为单数句? they are eggs改为单数句 what are they?they are apples改为单数句 They are my good friends改为单数句 They are some easy English question.改为单数句 你好、Are they student 改为单数句怎么改?