单项选择题
A.on the floor of a room B.on the ground of a barn C.in bed in a barn D.in bed in a room
A.they have lost their living hopes B.they have more pressure in life and work C.they have used up their energy D.they begin to get older
A.The colour of the buildings. B.The age of the buildings. C.The colour of the roofs. D.The length of the streets.