______of workers work in this factory and about two ______ of them go to work by bike.

问题描述:

______of workers work in this factory and about two ______ of them go to work by bike.
A.Thousand;thousand B.Thousands;thousand C.Thousand;thousandS D.Thousands;thousandS 我选的是C答案是B 为什么?放心,会加送的

确实应该是B
Thousands of 是个固定用法,表示成千上万的意思
two thousand,three thousand是两千,三千,这种情况thousand 都不加s