题目内容
After a 5-year absence, we returned to our mother school, and not until then it was such a beautiful school.
A.we realized | B.had we realized | C.we had realized | D.did we realize |
D
解析

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题目内容
After a 5-year absence, we returned to our mother school, and not until then it was such a beautiful school.
A.we realized | B.had we realized | C.we had realized | D.did we realize |
D
解析