It was not long __before__ he got to know it.
It was not long __before__ he got to know it.
It is /has been 3 years since.
那么,如果是这样的句子（如果正确的话~）：
It was 3 years ____he graduated from school.
或者是这样的句子：
It was 3 years ____he had graduated from school.
该填什么呢?
讲下原因吧~
It is /has been 3 years since.
那么,如果是这样的句子（如果正确的话~）：
It was 3 years ____he graduated from school.
或者是这样的句子：
It was 3 years ____he had graduated from school.
该填什么呢?
讲下原因吧~
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你能帮帮他们吗