A. The floor is slick.
B. The staircase is steep.
C. The passage is narrow.
D. The tread is unsteady.
A. It disturbs the local people with noises.
B. It causes the damage on the pavement.
C. It stops people and cars moving freely.
D. It prevents people from walking easily.
A. It is part of their local heritage.
B. It is an attraction of tourists.
C. It is the revival of morals.
D. It is the miracle of God.