five tons heavy.这里为什么不用weight

five tons heavy.这里为什么不用weight 英语选择题the stone is about five tons ( )A.weight B.weigh C.heavy 3个选项有何区别呢?求高手指教. 请问It is 20 tons heavy里heavy是什么句子成分啊? The Eiffel Tower weighs about（ ）.A.700-ton heavy B.700 tons in weight C.700 tons D.700-ton-heavy te eiffel tower weights about _.应填什么.a.700-ton heavy b.700 tons in weight c.700 tons d.700-ton-heavy选什么 The Eiffel Tower weighs about_.A.700-ton heavy B.700-ton-heavy C.700 tons D.700-ton It's about 2498 tones heavy.对划线部分提问、划线部分是about 2498 tons heavy-hearted这里的“-”必须要有吗 A black hole weighing a billion tons ...这里用weighing 用weighs行不? ...tons of amber were used......thousand tons of amber were used to make it.请问为什么这里要用were,而不用was呢? millions of tons of watermillions of tons of waste water is being poured ……这里为什么用is?Millions of tons不用are吗?那为什么piees of paper后就用复数？ emotional tons tons是什么意思 英语翻译They lift the two heavy opening arms---each 1,000 tons---leaving seventy metres for the ships to go through. 关于英语主谓一致Two million tons of coal ______(were/was)exported last year Five hours of sleep ______(is/are)not enough.原因是什么? It weights above five tons.这句话里面weight的用法和这句话的意思帮我理解下是动词称重的意思吗？ ——does each watermelon weigh?About five kilosA how much B.How heavy求原因 the 46,000 ton Titanic was a collosal ship .新概念3 的文章中的一个句子,这里的ton 为什么不是tons呢 ,应该讲tons ,why?who can helop me