I _______ A TERRIBLE ACCIDENT WHILE I _______ ON THE BEACH.A. WHER...

33. I _______ a terrible accident while I _______ on the beach.

a. where was her umbrella

b. where her umbrella was

a. see / am walking

b. saw / was walking

c. where were her umbrella

d. where her umbrella were

c. was seeing / walked

d. have seen / were walking