کتاب 'انگلیش ریزالت' پیش‌متوسطه - واحد 1 - 1C

in what place, situation, or position

used when we want to ask at what time something happens

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

used for asking the purpose of or reason for something

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

in what manner or in what way