为什么说It costs an arm and a leg是大放血的意思如上

为什么说It costs an arm and a leg是大放血的意思如上 关于“costs an arm and a leg”的例句一句就够了 What are those ? A It is arm B lt is an arm C They are arm D They are arms 翻译：it will cost an arm and a leg it must have cost him an arm and a an arm什么意思 填空A____of lettuce is cheap ,but a bowl of salad costs an ___and a ___in this restaurant给出供选的词语head leg arm it cost me an arm and a leg 求同义句! It __________ __________ me___________ It costs too much中为什么用much 不用many It ( )him about half an hour to go to work by husband every dayA spends B takes C costs D pays 这应选什么,为什么? the new -designed car is on show now----- a how much it costs--- b how much does it cost 并说为什么 you can have it for what it cost me 为什么这儿不是costs.应该用cost呢 还是用costs That's the wrong way.It ____ too long.A.take B.takes C.spends D.costs请说一下为什么 ask an arm and a it ---- about an hour to get to the nearest -----centera.costs,youth b.costs,young c.takes,youth d.takes,young It will cost an arm and a A It’s my cup of tea.B.I have butterflies in my stomach.C.It will cost an arm and a leg.D.The world is my oyster. It costs me 100 yuan. It( )me half an hour to go to shool from my home.A.costs B.takes C.pays D.spend