- do you see a dentist?-Once a month.A．How soon B．How long C．How much D．How often 题目和参考答案——青夏教育精英家教网—

—_________do you see a dentist?
—Once a month.

A．How soon	B．How long
C．How much	D．How often

解析试题分析：How soon提问将来一段时间，用 in+一段时间来回答； B. How long 提问for+一段时间；C. How much提问不可数名词数量的多少；D. How often提问频度；他根据句意：--你多久看一次牙医？---一个月一次。结合语境故选D
考点：考查疑问词组的辨析。

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