__________the house costs, it will _____________it.

How long _________ in Shanghai? —For just the weekendI was back after the meeting was over.[ ]

下列句子中，加点的词语使用不恰当的一项是

It took building supplies to construct these energy-saving housesIt took brains, too

The present situation is very complex，so I think it will take me some time to ______ its reality.[ ]