1.为何用has而不用had:Can you make sure where Lucy has

1.为何用has而不用had:Can you make sure where Lucy has Can you make sure ___where Alice has put___ the gold ring?为什 can you make sure ( )the mp4?a：where james had put b：where h Can you make sure where Alice had put the gold ring?划分句子成分 can you count to make sure Val the library has all eight boo 1.Can you make sure ( ) he `s not yet had time to make a judgement.为什么这里用had 而不用has呢 Can you make sure ______the gold ring?A.where Can you make sure where ______ put the dictionary? Can you make sure ______the gold ring? A. where Is there a zoo that we can see tigers arond?为何用that而不用where Lucy has more friends than Lily -----.后面为啥用does ,而不用has