It was not until then that I came to know that knowledge only from practice.A. had come

发布时间：2020-08-17 13:25:46

It was not until then that I came to know that knowledge      only from practice.
A. had e
B. has e
C. came
D. es

网友回答

A. had e
B. has e
C. came
(答案→)D. es
解析：主句虽然是过去时态，但从句所说明的是不受时间限制的真理或事实，名词性从句的谓语动词仍然用一般现在时。又如:He said Asia is the largest continent.
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