该单数句：1、They are artist.2、We have some Enrlssh geese.

该单数句：1、They are artist.2、We have some Enrlssh geese. 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 They are our friends变单数句 They are old insects单数句 Are they bookcase 怎样改为单数句? they are good friends 改单数句 They are my friends.改为单数句 they are my friends改单数句 Are they women doctors? 改为单数句 They are old monkeys?改成单数句 They are wonmen doctors (改为单数句) They are some frogs.变为单数句 They are my aunts.改为单数句 They are old jeeps. (改为单数句) they are offices.怎样改单数句 They are English jeeps.改为单数句