housework n. 家务事 housework是不可数名词，不可以加s。 例句 Men are doing more housework nowadays. 现今男人正在承担越来越多的家务。 We take it in ...
has do是一般过去时。 例句 He has achieved what he set out to do three years ago. 他已经完成了3年前开始努力做的事情。 Her job has something to do ...
