万用表测量电机好坏:work-worker teach-teacher，再举几个类似的例子

work-worker teach-teacher，再举几个类似的例子 work——worker的同类词 work-worker,这样的变化有什么规律? teach drive cleaner work actor actress manager是什么意思 When a worker doesn't do his job,___. I have____to the extra work assigned to me when my co-worker were on vacation. 哪句对，为什么？ A,my work is to teach them, B my work is teaching them. 哪句对，为什么？ A,my work is to teach them, B my work is teaching them. I didn't necessarily work Love won't work 是什么意思啊？