完形填空。通读下面短文，掌握其大意，然后从短文后各题所给的四个选项中选择能填入相

                                                         
      Jessie was driving home happily when a truck went past her car. The driver was moving much too fast.
When Jessie neared her exit (出口), she   1   something and stopped her car to the right of the highway
(高速公路). An accident had happened on the left side. The truck had   2   a car, but the driver was gone.
Jessie thought that the people inside must be badly   3   and she should help them as much as she could.
      Not thinking of the   4  , Jessie hurried to the other side of the road, though few people dared (敢) cross
such a busy road. Looking into the car, she saw five people -two women and three children. Jessie was   5   to
see all of them moving.
      Jessie pulled one of the car doors. It wouldn't open. She went to the next door.   6  , she couldn't move it.
She almost thought that all was   7   before she got one of the doors to open a little. "Please get the children out,"
one of the women called. Jessie   8   a little boy from the car and moved him to a   9   place. Then she went to
bring the other children to safety.
      After the last child was out of the car, Jessie thought of the box in   10   car. She had something in it that
could help get that door open. So she got the box quickly. As Jessie was   11   on the door, the driver said, "Not
many people would do what you're doing." "Your just take it easy, and I'll have you   12   soon," said Jessie. She
was as good as her word. As soon as she helped the women out of the car, it caught fire.