For many people, household labor remains demanding even if they can afford house

珊若小花

不懂求问为什么用完成时，would have done好怪啊~~牛牛给解释下吧~~

reachthesky

"the idea is that the grandparents would have found these appliances miraculous if these appliances had existed in the past, not that they would find the appliances miraculous in the present.."

itssuperoli

珊若小花 发表于 2014-7-18 00:30
不懂求问为什么用完成时，would have done好怪啊~~牛牛给解释下吧~~

赞！我终于弄懂了！

绿杨小庙

kevinjpcn 发表于 2013-6-19 20:29
请问这道题为什么不能选D 啊

could 有两种用法，一个是CAN 的过去时态，用在一般过去时的语态中，但这题前面有remains,是现在时的；还有一个表可能，显然这里不是啦。所以应该用can