改错题：these shoes are worn out ,they lasted a long time.怎么改呢,为什么?答案为have lasted

how many are these blue shoes 改错 Look!These are gold shoes.How beautiful.改错! —Are these shoes yours?—No,I don't have some green shoes.改错 Are these shoes? 改错题：these shoes are worn out ,they lasted a long time.怎么改呢,为什么?答案为have lasted these are his shoes.( )are these ()? How much are these black shoes?They're 30 yuans.(改错） whose are these dirty shoes? Are these shoes _______(his) these,shoes,color,what,are these are my shoes 同义 are these new books her?改错题 The black shoes are thirty yuans.改错同题. 改错：These are ours books 改错：These clothes are her. 改错 hese are her grandparent they are they shoes（改错） Whose shoes are these怎么回答