Can you make sure _where Alice has put_ the gold ring?为什

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Can you make sure ___where Alice has put___ the gold ring?为什么填where Alice has put?为什么用
has?不用had?

是的,一楼说的没错,主句是一般现在时,所以从句中问的也就是从过去到现在的事情,即用现在完成时,而过去完成时是指过去的过去,即主句谓语动词是过去式,而从句又发生在主句动词之前的,用过去完成时,而本句主句是一般现在时,所以不能用过去完成时.这句话的意思是：你知道艾丽丝把金戒指放哪里了吗?问的是对现在状态的提问,从句意也可以理解.

Can you make sure ___where Alice has put___ the gold ring?为什 Can you make sure where Alice had put the gold ring?划分句子成分 3.Can you make sure _______ the gold ring? Can you make sure ______the gold ring?A.where Can you make sure ______the gold ring? A. where 能说说理由就更好了Can you make sure _________ the gold ring?A.Where A 1.为何用has而不用had:Can you make sure where Lucy has please make___ sure the gold ring. A. that where can you count to make sure Val the library has all eight boo Are you sure you can make the baby____? Can you make sure ___________? 1.Can you make sure ( )