over thousands of students in our school took partin the sports meeting 这句话错了吗?

Over thousands of years啥意思 thousands of thousands是什么意思 thousands of thousands 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 thousand 、thousands、thousands of区别 P88—07：题every year thousands upon thousands of people are injured or killed in car accidents all over the world2.all over thousands of tens of thousands of P88—07：题every year thousands upon thousands of people are injured or killed in car accidents all over the world问：1.thousands upon thousands of是一个固定用法吗? There will be thousands of people from all over the w____ in 2012 in London over ten people watch fireworks at Turle Head Park on the night of the Mid-autumn Festival everyyear A thousand B thousands of C thousands D thousand of hundreds of thousands of Tens of thousands of hundreds of thousands of Thousands of tons of rubbish__ over a large period of time用rot适当形式填空.到底谁做主语? thousands and thousands of 和thousands of的区别 thousands and thousands of与thousands of的区别?