Ten thousand tons of coal were produced last

Ten thousand tons of coal were produced last 是 ten thousand of people 还是ten thousand people? 英语主谓一致语法Three million tons of coal ______ every year in the city.1 Three million tons of coal （——） every year in the city.A.is exploited B.are exploitedC.had exploited D.have exploited 2 Ten thousand tons of coal （——） Ten thousand of people和ten thousands of the people thousands of和 ten thousand of哪个对? ...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? tens of thousands等不等于about ten thousand 1.这个镇有一万人口 The( )of the town ( )ten thousand Ten thousand elements is remading of my heart. My heart is remading of ten thousand elements. tons of是什么意思 tons of pets是什么 You can see over____stars in the sky at nightA.thusands of B.thousand ofC.ten thousandD.ten thousands 50 tons of paint意思 line of 10-tons trucks 在2010年7月英语怎么说?是不是in july of two thousand and ten years 译.Jumping out of an airplane at ten thousand feet is quite an exciting experienceл what kind of () is there for the singing competition?Ten thousand yuan.