52单词网 > 高中英语 > 高中英语题库 > many times, the boy still didn’t know how to do the exercises A. Having taught B

many times, the boy still didn’t know how to do the exercises A. Having taught B

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many times, the boy still didn’t know how to do the exercises A. Having taught B

___ many times, the boy still didn’t know how to do the exercises
A. Having taught B. Having been taughtC. taught D. Teaching

 

试题答案

B

标签：stilldidnknowboymany

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