---____ do you use a computer?---About three hours a day.a.How long b.How old c.How often 选哪个

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---____ do you use a computer?---About three hours a day.a.How long b.How old c.How often 选哪个
---____ do you use a computer?---About three hours a day.a.How long b.How old c.How often 选哪个

---____ do you use a computer?---About three hours a day.a.How long b.How old c.How often 选哪个
c How often问频率

a

c 根据回答 每天3个小时 是频率的问题 选 C

c 问频率