问题补充:
Besides wildlife on land, there are species living in the oceans we still know little.
A. about which
B. in which
C. for which
D. with which
答案:
(答案→)A. about which
B. in which
C. for which
D. with which
解析:句意:除了陆地上的野生动物,海洋中还有一些我们知之甚少的物种。这个句子中包含一个介词+关系代词引导的定语从句,know about是固定用法,意思是知道,了解,选A。