Ответы и объяснения

A)Was, was, were, was.
B)Wasn't, weren't, weren't, wasn't.
C)I wasn't with my parents in the mountains.
He wasn't eleven years old.
They weren't born in 9.00 a.m.
Mark wasn't at the cinema last night.
D)When were we students?
What was the weather?
When was she born?
When was the match?