IT WOULD HAVE BEEN A MUCH SERIOUS ACCIDENT IF HE___________ FAST A...
23. It would have been a much serious accident if he___________ fast at the time.
a. was driving
b. drove
c. had been driving d. could have driven
23. It would have been a much serious accident if he___________ fast at the time.
a. was driving
b. drove
c. had been driving d. could have driven