例:These are her new shorts. Are these her new shorts? 肯:Yes, they are. 否:No, they aren't. These are his old trousers. __________________________ 肯:__________________________ 否:__________________________
例:This is his book. Is this his book? 肯:Yes, it is. 否:No, it isn't. This is her dress. __________________________ 肯:__________________________ 否:__________________________