改错：These are ours books

改错：These are ours books who's lunch box are these? They are ours.改错 These books are the twins'.They're ours改错 These ducks are ours.(对ours提问) (Where) are (ours)?Here (there) (are)改错 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 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 改错：These clothes are her. 改错 hese are her grandparent These boxes are ours.(氦为单数形式) These boxes are ours氦为单数形式 用theirs改为选择疑问句These apples are ours These are ours改为单复数形式急