—I study English reading the text.— do you do it?—Every day.A. for; HowB. by; How soonC.

问题补充：

—I study English reading the text.

— do you do it?

—Every day.

A. for; How

B. by; How soon

C. by; How often

D. with; How long

答案：

A. for; How

B. by; How soon

(答案→)C. by; How often

D. with; How long

解析：for,是为了；by,是通过；with是与等。How是对方式等的提问； How soon对in+时间段的提问； How often是对多久一次的提问，如often, twice, every month等； How long对for+一段时间的提问。句意：—我通过读课文学习英语。—你多久做一次？—每天。故选C。