vast amount of 还是vast amounts of?providing relief after the disaster necessitated the mobilization of vast amounts of food,medical supply and people.amount有必要加复数么?另外这个medical supply 是否改成supplies?为什么啊

vast amount of 还是vast amounts of?providing relief after the disaster necessitated the mobilization of vast amounts of food,medical supply and people.amount有必要加复数么?另外这个medical supply 是否改成supplies?为什么啊 amount of还是amounts of amount of还是amounts of还是an amount of 是a amount of还是an amount of 英语翻译A vast amount of international trade is handled not by direct negotiation between buyer and seller but by agencies,usually in the country of the buyer. beyong 在下面这句话中什么意思the vast amount of fossil fuel consumed in transportation pose grave environmental threats to the tourist destinations and beyond a amount of和the amount of的谓语动词是单数还是复数 英语：大量的是a large amount of还是large amount of? a large amount of加可数名词还是不可数名词 amount of 加可数名词还是不可数名词 a large amount of 后接可数还是不可数? an amount of 后接可数还是不可数 amount of money 后面动词是单数还是复数 amount of...后加什么名词呢?可数还是? 英语翻译amount of amount of water right amount of water 看下这题选哪个?英语的28.A computer can store ______ information because it has a very large memory.A) a great many B) a vast amount ofC) a large number of D) a number of 麻烦顺便解释下 英语语法填空题,PLM ____________ (have) its roots in the design and engineering function.The 1970s________ (see) the introduction of systems to help manage the vast amount of CAD data that_________ (create) to define products.Developments _____ 3—18：(张）the trail of non-biodegradable litter international tourists leave behind them and the vast amount of fossil fuel consumed in transportation pose grave environmental threats to the tourist destinations and beyond.唯一不明白的地