建筑材料的成本已经上涨。
The ___cost of building materials has risen.
这艘游轮的建造成本是4亿美元。
The cruise ship was built at a ___cost of $400 million.
你的自行车花了多少钱?
How much did your bike ___cost?
这次旅行将花费你1000美元。
The trip will ___cost you $1000.
修理花了我五十英镑。
The repair ___cost me fifty pounds.