"homework" 是一个 不可数名词。它指的是家庭作业、课外作业、功课或预先准备的工作，通常不用复数形式 "homeworks" 。例如：

1. Your homework is an absolute disgrace.

2. I suppose I'd better do some homework.

3. Did I hear the dreaded word homework？

4. I haven't done my homework.