These shoes are made in Italy.为什么这个句子要用are呢?不是用were吗?

Are these shoes? these are his shoes.( )are these ()? whose are these dirty shoes? Are these shoes _______(his) these,shoes,color,what,are these are my shoes 同义 These shoes are made in Italy.为什么这个句子要用are呢?不是用were吗? Whose shoes are these怎么回答 these shoes are ours.单数句 Whose are these shoes?Theylook like ( ). These shoes are nice.改为一般疑问句 how many are these blue shoes 改错 THese shoes are twenty dollars的同义词 These shoes are $100 (改成同义句) These red 【 】(shoe/shoes)are thity dollars 2.(This/These)shoes are Ms.Jones. 应该说are these your shoes 还是is this your shoes? My new shoes are made( )Italy