When I saw the car crash on the road ,a frightened feeling _________across my mind.

Progress so far has been very good _______ ,we are sure that the project will becompleted on time

Though my grandfather is in his eighties, he is still as _________ as a young man and hates sitting around doing nothing all day.

Mike has played a lot of computer games recently.—Yes, that might ___ his failure in the mid-term examinations.

What he said that day was deeply impressed _______ my memory