A CAR ACCIDENT HAPPENED.THE POLICE ASKED A WOMAN WHAT SHE ______ A.HAD SEEN B. SAW

问题描述:

A CAR ACCIDENT HAPPENED.THE POLICE ASKED A WOMAN WHAT SHE ______ A.HAD SEEN B. SAW

b.saw.
a car accident happened 是过去式,所以讲述跟车祸发生时有关的事情用的都应该是过去式.