书籍 English File – 基础 - 第 3C 课

used to talk or ask about the number of things or people that are involved or concerned

多少

used in questions to ask for information or for someone’s opinion

何

used when we want to ask at what time something happens

什么时候

in what place, situation, or position

去往何处

used to ask or talk about one or more members of a group of things or people, when we are not sure about it or about them

哪

used in questions to ask about the name or identity of one person or several people

谁

used for asking the purpose of or reason for something

为什么