I KNEW HER ... I WAS A CHILD.A. SINCE B. UNTIL C. WHILE D. WHEN

Tiếng Anh 1000-cau-trac-nghiem-tieng-Anh-on-thi-thpt-quoc-gia-2018

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156. I knew her ... I was a child.

A. since B. until C. while D. when