试题题干
Correct one error in the following sentence.
I think he is honest because he told the police all what he knew.
参考答案
试题解析
由题干可知what he knew做told的直接宾语。what引导的名词性从句做宾语时前面不需要加all。或者all做told 的直接宾语时，后面不需要加what，则all后面是定语从句，当all做先行词的时候，用that引导，通常可省略。
Correct one error in the following sentence.
I think he is honest because he told the police all what he knew.
由题干可知what he knew做told的直接宾语。what引导的名词性从句做宾语时前面不需要加all。或者all做told 的直接宾语时，后面不需要加what，则all后面是定语从句，当all做先行词的时候，用that引导，通常可省略。