Finally they came into a house,______ there were some flowers.
Our neighbor has ________ ours.
________on a clear day,far from the city crowds,the mountains give him a sense of peace.
Drive ________until you come to the small town,which lies about 100 kilometers ________ London.
—What's that terrible noise?—The neighbors ________ for a party.
Every possible means ________ to prevent the air pollution,but the sky is still not very clear.