1.疑问代词做对陈述句的主语,宾语或定语提问,即做句子的主语,宾语或定语,如what,who/ whom,whose.eg.Who is talking What can you see?Whose shirt is this?2.疑问副词对时间,地点,方式等状语提问,如when,where,how 等.eg.When is your birthday?Where are you going?How do you know?
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