根据所给情景,补全对话,每空一词
A:Good moring,Mrs Green.
B:Good moring,Mr Black.
A:It's a very nice day,isn't it?
B:Yes,it is.
A:Did you see the ____ yesterday morning?
B:Yes,I was ____past the corner near the shop when the accident ____.
A:It was really dangerous.The motorbike suddenly came and hit the bag of rice on the street.
B:The young man was ____hurt.Some people carried him to the nearest hospital _____quickly____possible.
A:The policemen____there a moment later.
B:It's dangerous to travel too ______on the street.We must be careful.