Whether you are a working professional interested in doing all you can
to stay mentally sharp, there are lots of things which you can do to improve
your memory and mental performance.请问老师，in doing all you can为什么后面没有do，这样定语从句不是缺少谓语动词吗？
Why is it asking Hong Kong to pass a law that so clearly challenges the freedoms the nation enjoyed and which the party said it would keep？这里的which the party 是作challenges的宾语吗，引导的宾语从句吗？
...合句：主句是：I was riding my bike very fast round that corner 从句是：when I hit a stone and came to grief over there但有趣的是：句子的翻译将主句翻译成了“当……时”，而且句子意思也很通顺。你说怪不怪？请专家老师分析一下，谢谢！
Thus, an ongoing strategy of deterrence resulted in which it was perceived as necessary to maintain a large deployment of weapons in order to create the threat of retaliation for the enemy.这里resulted in which it 里which作什么从句的引导词，感觉不是宾语从句.
在介词宾语从句里，连接副词能不能引导？比如这句话：Shanghai did not originate from where the tall buildings are.这句介词宾从是连接代词who引导的，正确吗？we should appeal to who are living in those wealthy countries to donate money to the poor people.
看到一种说法，就是The river of which the banks are covered with trees flows to the sea 和 The river the banks of which are covered with trees flows to the sea 这两种语序都是正确的，不太能理解，请问下面这句：A frequent result of injuries sustained in falls is long-te...
These hands spoke of stubbornness of mankind, of the will to work not only as one's strength permits but beyond the limits of one's power. 教材上说 as 引导时间从句，是不是表示当....时的意思？
... when they come home they are ofter too tired for any quality familty time. As well, if there are children, they most likely need to hire a nanny or use a daycare service, again meaning less family time问：1. too tired for any quality familty 怎么翻译?2. meaning在这...
There are many activities for which prophylactic knee braces are used as a comprehensive safety measure.请问老师：for which prophylactic knee braces are used as a comprehensive safety measure 是定语从句修饰 activities 吗？