—Did you visit the museum last week ?—No, we ___, but we spent too much time shopping.
一I’m sorry! I would have taken him to hospital if I had known he was seriously ill. 一But ______ .
The question that puzzled them is ____ they can get rid of the air pollution in the area.
It is reported that many a new house ____ at present in the disaster area in Gansu Province.
_____ on a clear day, far from the city crowds, the mountains gave him a sense of peace.
They in Holland for ten years. Now they have settled down in Paris.