thousands of和 ten thousand of哪个对?

Ten thousand of people和ten thousands of the people thousands of和 ten thousand of哪个对? ____people come to visit our country every year.A Tens of thousands of B Ten of thousands of C Ten thousands of D Ten thousands during the 18th and 19th centuries thousands of thousands and thousands of 和thousands of的区别 there are _ of visitors to Kunming. (A.tens of thousands B, about ten of thousands tens of thousands等不等于about ten thousand the factory with thousands of workers------------(open)for ten years a thousand ,thousands of ,thousand of 和thousands and thousands of 的区别与用法 thousands of thousands是什么意思 Thousands of years 和thousands years 有什么不同? two thousand of 和thousands of 区别 ————of people took part in the labour. A.Ten thousand B. Tens thousands C. Ten of thousandD.Tens of thousands 求解析 关于tens of thousands of之类的词组像 hundreds of thousands of 也是类似的 是不是只要是 前面那个 TENS of THOUSANDS of （thousand大于ten)这样才能成立啊 不能是 millions of thousands of? 数词Every year _________ foreign friends come to visit China.A.tens of thousads of B.thousand thousands ofC.thousands upon thousand D.over ten thousands thousands of thousands of thousands of.