“完形填空”题专练(英文)

(A) One day,some workers were mending the road.They had dug a big hole in the road.As they could not 1 their work,they had put up notice boards(布告牌) around the hole before they 2.On the boards they wrote the word DANGER in order to warn people not to drop into the hole.Some time 3,a blind man was walking 4 the road.He was