I would have finished my paper if it was possible,but I was
I would have finished my paper if it was possible,but I was fully occupied the whold of last week.
if it was可以用哪个代替 A.had it been B.were it C.it had been D it were
if it was可以用哪个代替 A.had it been B.were it C.it had been D it were
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