they are waitresses(改为单数

they are waitresses(改为单数 They are waitresses.(改单数句) ____ is a waitresses. what are their job they're waitresses.(改为单数）i ____(be) hungry.here are some cakes for you .急 好人 she is nurse (改为复数）What are those over there?(改为单数）These are apples and those are pineapples(改为单数)They are waitresses (改为单数)They are oranges (改为单数)They are apples (改为单数) waitresses,waiters,and,food,server,are,to,going,the,the,us. They are they are Are they They are -------are they?they are --------(tomato) waitress的复数是什么?是不是waitresses? --Are they ( ) buuks?No,they are not .--They are ( ) buuks. They are green.They are long.They are g( ) b（ they are food.they are long.they are white.谜底 are they,do they 区别 Are they horses?They are__________ Are they ( )skating?Yes,they are. they are who they are.怎么翻译?