These are their balls.
These are their balls.
these are ping-pong balls (提问)
these balls are theirs改为同义句
these are red balls 同义句
Are those their balls?的同义句
Are these their erasers?
These are their -(book)
These are green balls and they're r__
These balls are white.C_______ them red,please?怎麽做
These are their clothes.(对their提问) ()() are these
Whose are these balls?(同义句转换)_____ _____ are these?
These are our oranges. Those are()(their)