Question

【题目】There are three______ workers in this factory. My brother is in it ,too.

A. thousand B. thousands of

C. thousand of D. thousands

Answer 1

【答案】A

【解析】试题句意：在这家工厂里有成千上万的工人。我的哥哥也在里面。thousand“千”，有数词修饰时，不加s。与of连用时，加s。thousands of“成千上万的”，故选B。