Question:
I first met her four years ago when we ___ at a middle school.
-
A.
had been studying -
B.
are studying -
C.
have been studying -
D.
were studying
Reference explanation:
Correct Answer: EASY
Knowledge: grammar
Explanation: When an action is in progress, another action happens When + past continuous (clear point of time), + simple past
I met her for the first time four years ago when we attended the same middle school.
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