These cups are ours. Those are others.为什么不用others'我总觉得答案错了

These cups are ours. Those are others.为什么不用others'我总觉得答案错了 These cups are ours.those are ___.A.others B.other's C.others' D.others's These ducks are ours.(对ours提问) 改错：These are ours books 13．These cups are ours.Those are ________.A．others B．others'C．other's D．others's选哪个,为什么? These tomatoes are ours.(对ours提问） -Are these coats_____ -Yes,they're ours. these shoes are ours.单数句 These books are ours.(同义句） These books are ours.(改为一般疑问 These cups are ours.Those are ________.A.others B.other's C.others' D.others选哪个才是正确的呢.为什么不选A呢,选C呢 Whose pencils are these?They are (our/ours)pencils.They are(our/ours). Whose teachers are these They are ours改成单数形式 who's lunch box are these? They are ours.改错 These boxes are ours.(氦为单数形式) These boxes are ours氦为单数形式 These books are the twins'.They're ours改错 用theirs改为选择疑问句These apples are ours