All is a continuous supply of the basic necessities of life. A．what is needed B．
来源：网络
时间：
推荐文章
All________is a continuous supply of the basic necessities of life.
A．what is needed B．for our needs C．the thing needed D．that is needed
试题答案
D
考查定语从句。句意为：现在所需要的是基本生活必需品的不断的供应。在该句中，主语部分含有一个定语从句，先行词是all，在主句中作主语，因此要用关系代词that。all that is needed＝what is needed。