阅读下列材料在空白处填入适当的内容（不多于三个单词）或括号内单词正确形式。
Most Americans don’t like to get advice __________members of their family. They get advice from “_________ （strange）”. When they need advice, they don’t usually go to people they know. __________ many of them write letters to newspapers and magazines ________ give advice on many different subjects, _________ （include） family problems, the use of language, health, cooking, child care, clothes, and even on how __________ （buy） a house or a car.
Most newspapers regularly print letters from __________ （read） with problems. Along with the letters ___________ are answers written by people who are supposed to know how to solve such problems. Some of these writers are doctors, __________ are lawyers or educators. But two of the most famous writers of advice are women without special________ （train） for this kind of work.