指示代词this/that/these/those — 英语填空题

请根据句意和括号内的中文提示，用 this, that, these 或 those 补全句子（每空一词）。1. ___ is my father, and he is a doctor.（指离说话人近的一位）2. ___ are my cousins. They live in Shanghai.（指离说话人远的几位）3. Is ___ your schoolbag on the desk over there?（指离说话人远的一件物品）4. ___ are my new books. I bought them yesterday.（指离说话人近的几本书）