All______ is a continuous supply of the basic necessities of life.
A、
what is needed
B、
that is needed
C、
for our needs
D、
thing needed
【正确答案】
B
【答案解析】
解析:本题考查定语从句的特殊用法。句子缺少主语,关系代词在句子中充当丰语。当有限定词all时,引导定语从句只能用that。
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