Question

was/were – were – was – werent
was/was – were – weren´t – was
was/was – was – was – was
wasn´t/was – was – were – wasn´t
were/were – was – were – wasn´t

Answer 1

a) it was 9 o'clock and the plane were late

b) i was a nurse last year

c) the movie were excellent!

d) the game was horrible because my team played horrible yesterday