india 's supply of diamonds was finally running out.被动语态应是was+过去分词,这里run为什么加ing

india 's supply of diamonds was finally running out.was running out是固定结构吗 india 's supply of diamonds was finally running out.被动语态应是was+过去分词,这里run为什么加ing India's supply of diamonds was finally running out after 2,500 years of mining the stones.of mining the stones.这个mining算名词吗?还是表示一直在开采石头? what's the population of India?同义句同上`` a whole year's supply of horse manure是什么意思 ___the safety of the gas,the government has checked the city's gas supply system.A.to ensureB.ensuringC.Having ensuredD.To have ensured.为什么不选D elasticity of supply是什么意思 elasticity of supply是什么意思 The government___food and medicine__those who live in poor area,A.supply with B.provide withC.supply to D.provide of 请说明原因.supply 与provide区别是? The need ( )a growing population is putting much pressure on the worlds supply of waterThe need ( )a growing population is putting much pressure on the worlds supply of waterA.feed B.to feed C.to be feed D.feeding 我想问为什么不能选D啊?D AP经济学问题.1>Calculate the U.S.price elasticity of supply of corn.Is this supply elastic?2>Calculate the world price elasticity of supply of corn.宏观经济学 As we know,Canada has one third of the world's ________ of fresh water.But most of it is ice.A.supply B.need C.provide D.demand The need ( )a growing population is putting much pressure on the worlds supply of waterThe need ( )a growing population is putting much pressure on the worlds supply of water.A.feed B.to feed C.to be feed D.feeding答案选B,我想问下为 a supply of的翻译 price elasticity of supply是什么意思 part是可数名词还是不可数名词?那么It’s part of our counry ,India .中的part是怎么理解？ A.lead to B.carry out C.come up with D.catch up withWith the population explosion,seientists will have to _____ new methods of increasing the world's food supply. 为什么选D不行,怎么看定语从句和独立主格结构The story is about an old Indian farmer and an American tourist in India,__ understanding the other’s language.A．none of whom B．both of them C．neither of them D．neither of whom