I think Rose should get a job(对Rose提问） ..you think should get a job?

题目

I think Rose should get a job(对Rose提问） ..you think should get a job?
答案是Who do ,为什么用do而不用dose?

答案

这里问句翻译成汉语是,你认为谁应该得到工作?提问对象为“你”,故用do.
Who do you think should get a job?