Question

He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.

A. known to find  B. knowing to find  C. known finding  D.knowing finding

Answer 1

A

解析:

第一题 选A ，原因是这里面的known 是做形容词，被知晓的。形容approach方式 途径。 后面的to find 接目的状语，表示 目标。

B knowning 动名词一般是主动意思，所以不正确。

C D不能表示目的含义。